Home / 712,809.60-1,067,246.10-555,345.60

Finding the Fourth Proportional to 712,809.60, 1,067,246.10 and 555,345.60

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Solution

The fourth proportional to 712,809.60, 1,067,246.10 and 555,345.60 is: 831,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,809.60 : 1,067,246.10 = 555,345.60 : x
  2. Step 2: Convert to fraction form
    712,809.60/1,067,246.10 = 555,345.60/x
  3. Step 3: Cross multiply
    712,809.60x = 1,067,246.10 × 555,345.60
  4. Step 4: Simplify right side
    712,809.60x = 592,690,425,752.16
  5. Step 5: Solve for x
    x = 592,690,425,752.16/712,809.60
  6. Step 6: Final answer
    x = 831,484.91

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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.