Home / 723,177.00-997,917.17-400,859.68

Finding the Fourth Proportional to 723,177.00, 997,917.17 and 400,859.68

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Solution

The fourth proportional to 723,177.00, 997,917.17 and 400,859.68 is: 553,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,177.00 : 997,917.17 = 400,859.68 : x
  2. Step 2: Convert to fraction form
    723,177.00/997,917.17 = 400,859.68/x
  3. Step 3: Cross multiply
    723,177.00x = 997,917.17 × 400,859.68
  4. Step 4: Simplify right side
    723,177.00x = 400,024,751,998.07
  5. Step 5: Solve for x
    x = 400,024,751,998.07/723,177.00
  6. Step 6: Final answer
    x = 553,149.16

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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.