Home / 1,023,562.50-1,535,279.16-399,728.22

Finding the Fourth Proportional to 1,023,562.50, 1,535,279.16 and 399,728.22

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Solution

The fourth proportional to 1,023,562.50, 1,535,279.16 and 399,728.22 is: 599,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,562.50 : 1,535,279.16 = 399,728.22 : x
  2. Step 2: Convert to fraction form
    1,023,562.50/1,535,279.16 = 399,728.22/x
  3. Step 3: Cross multiply
    1,023,562.50x = 1,535,279.16 × 399,728.22
  4. Step 4: Simplify right side
    1,023,562.50x = 613,694,405,829.90
  5. Step 5: Solve for x
    x = 613,694,405,829.90/1,023,562.50
  6. Step 6: Final answer
    x = 599,567.11

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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.