Home / 829,234.80-1,243,852.20-563,514.30

Finding the Fourth Proportional to 829,234.80, 1,243,852.20 and 563,514.30

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Solution

The fourth proportional to 829,234.80, 1,243,852.20 and 563,514.30 is: 845,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,234.80 : 1,243,852.20 = 563,514.30 : x
  2. Step 2: Convert to fraction form
    829,234.80/1,243,852.20 = 563,514.30/x
  3. Step 3: Cross multiply
    829,234.80x = 1,243,852.20 × 563,514.30
  4. Step 4: Simplify right side
    829,234.80x = 700,928,501,786.46
  5. Step 5: Solve for x
    x = 700,928,501,786.46/829,234.80
  6. Step 6: Final answer
    x = 845,271.45

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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.