Home / 817,962.83-1,128,617.60-473,674.86

Finding the Fourth Proportional to 817,962.83, 1,128,617.60 and 473,674.86

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Solution

The fourth proportional to 817,962.83, 1,128,617.60 and 473,674.86 is: 653,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,962.83 : 1,128,617.60 = 473,674.86 : x
  2. Step 2: Convert to fraction form
    817,962.83/1,128,617.60 = 473,674.86/x
  3. Step 3: Cross multiply
    817,962.83x = 1,128,617.60 × 473,674.86
  4. Step 4: Simplify right side
    817,962.83x = 534,597,781,305.16
  5. Step 5: Solve for x
    x = 534,597,781,305.16/817,962.83
  6. Step 6: Final answer
    x = 653,572.22

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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.