Home / 817,977.29-1,128,841.72-473,807.73

Finding the Fourth Proportional to 817,977.29, 1,128,841.72 and 473,807.73

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Solution

The fourth proportional to 817,977.29, 1,128,841.72 and 473,807.73 is: 653,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,977.29 : 1,128,841.72 = 473,807.73 : x
  2. Step 2: Convert to fraction form
    817,977.29/1,128,841.72 = 473,807.73/x
  3. Step 3: Cross multiply
    817,977.29x = 1,128,841.72 × 473,807.73
  4. Step 4: Simplify right side
    817,977.29x = 534,853,932,882.50
  5. Step 5: Solve for x
    x = 534,853,932,882.50/817,977.29
  6. Step 6: Final answer
    x = 653,873.82

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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.