Home / 677,572.49-1,016,311.20-317,822.28

Finding the Fourth Proportional to 677,572.49, 1,016,311.20 and 317,822.28

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Solution

The fourth proportional to 677,572.49, 1,016,311.20 and 317,822.28 is: 476,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,572.49 : 1,016,311.20 = 317,822.28 : x
  2. Step 2: Convert to fraction form
    677,572.49/1,016,311.20 = 317,822.28/x
  3. Step 3: Cross multiply
    677,572.49x = 1,016,311.20 × 317,822.28
  4. Step 4: Simplify right side
    677,572.49x = 323,006,345,275.04
  5. Step 5: Solve for x
    x = 323,006,345,275.04/677,572.49
  6. Step 6: Final answer
    x = 476,711.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.