Home / 941,623.80-1,412,435.70-310,504.20

Finding the Fourth Proportional to 941,623.80, 1,412,435.70 and 310,504.20

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Solution

The fourth proportional to 941,623.80, 1,412,435.70 and 310,504.20 is: 465,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,623.80 : 1,412,435.70 = 310,504.20 : x
  2. Step 2: Convert to fraction form
    941,623.80/1,412,435.70 = 310,504.20/x
  3. Step 3: Cross multiply
    941,623.80x = 1,412,435.70 × 310,504.20
  4. Step 4: Simplify right side
    941,623.80x = 438,567,217,079.94
  5. Step 5: Solve for x
    x = 438,567,217,079.94/941,623.80
  6. Step 6: Final answer
    x = 465,756.30

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Half scale
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Double scale
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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.