Home / 912,253.86-1,259,110.17-530,500.86

Finding the Fourth Proportional to 912,253.86, 1,259,110.17 and 530,500.86

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Solution

The fourth proportional to 912,253.86, 1,259,110.17 and 530,500.86 is: 732,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,253.86 : 1,259,110.17 = 530,500.86 : x
  2. Step 2: Convert to fraction form
    912,253.86/1,259,110.17 = 530,500.86/x
  3. Step 3: Cross multiply
    912,253.86x = 1,259,110.17 × 530,500.86
  4. Step 4: Simplify right side
    912,253.86x = 667,959,028,019.75
  5. Step 5: Solve for x
    x = 667,959,028,019.75/912,253.86
  6. Step 6: Final answer
    x = 732,207.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.