Home / 712,097.60-1,068,319.20-502,145.60

Finding the Fourth Proportional to 712,097.60, 1,068,319.20 and 502,145.60

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Solution

The fourth proportional to 712,097.60, 1,068,319.20 and 502,145.60 is: 753,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,097.60 : 1,068,319.20 = 502,145.60 : x
  2. Step 2: Convert to fraction form
    712,097.60/1,068,319.20 = 502,145.60/x
  3. Step 3: Cross multiply
    712,097.60x = 1,068,319.20 × 502,145.60
  4. Step 4: Simplify right side
    712,097.60x = 536,451,785,675.52
  5. Step 5: Solve for x
    x = 536,451,785,675.52/712,097.60
  6. Step 6: Final answer
    x = 753,340.25

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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.