Home / 929,892.15-1,283,293.79-516,430.82

Finding the Fourth Proportional to 929,892.15, 1,283,293.79 and 516,430.82

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Solution

The fourth proportional to 929,892.15, 1,283,293.79 and 516,430.82 is: 712,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,892.15 : 1,283,293.79 = 516,430.82 : x
  2. Step 2: Convert to fraction form
    929,892.15/1,283,293.79 = 516,430.82/x
  3. Step 3: Cross multiply
    929,892.15x = 1,283,293.79 × 516,430.82
  4. Step 4: Simplify right side
    929,892.15x = 662,732,468,769.92
  5. Step 5: Solve for x
    x = 662,732,468,769.92/929,892.15
  6. Step 6: Final answer
    x = 712,698.21

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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.