Home / 671,542.12-927,174.64-516,218.16

Finding the Fourth Proportional to 671,542.12, 927,174.64 and 516,218.16

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Solution

The fourth proportional to 671,542.12, 927,174.64 and 516,218.16 is: 712,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,542.12 : 927,174.64 = 516,218.16 : x
  2. Step 2: Convert to fraction form
    671,542.12/927,174.64 = 516,218.16/x
  3. Step 3: Cross multiply
    671,542.12x = 927,174.64 × 516,218.16
  4. Step 4: Simplify right side
    671,542.12x = 478,624,386,659.46
  5. Step 5: Solve for x
    x = 478,624,386,659.46/671,542.12
  6. Step 6: Final answer
    x = 712,724.30

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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.