Home / 927,412.20-1,391,118.30-455,020.20

Finding the Fourth Proportional to 927,412.20, 1,391,118.30 and 455,020.20

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Solution

The fourth proportional to 927,412.20, 1,391,118.30 and 455,020.20 is: 682,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,412.20 : 1,391,118.30 = 455,020.20 : x
  2. Step 2: Convert to fraction form
    927,412.20/1,391,118.30 = 455,020.20/x
  3. Step 3: Cross multiply
    927,412.20x = 1,391,118.30 × 455,020.20
  4. Step 4: Simplify right side
    927,412.20x = 632,986,927,089.66
  5. Step 5: Solve for x
    x = 632,986,927,089.66/927,412.20
  6. Step 6: Final answer
    x = 682,530.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 927,413.20, 1,391,119.80 and 455,021.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.