Home / 817,327.28-1,127,893.96-473,177.76

Finding the Fourth Proportional to 817,327.28, 1,127,893.96 and 473,177.76

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Solution

The fourth proportional to 817,327.28, 1,127,893.96 and 473,177.76 is: 652,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,327.28 : 1,127,893.96 = 473,177.76 : x
  2. Step 2: Convert to fraction form
    817,327.28/1,127,893.96 = 473,177.76/x
  3. Step 3: Cross multiply
    817,327.28x = 1,127,893.96 × 473,177.76
  4. Step 4: Simplify right side
    817,327.28x = 533,694,337,510.33
  5. Step 5: Solve for x
    x = 533,694,337,510.33/817,327.28
  6. Step 6: Final answer
    x = 652,975.07

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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.