Home / 712,358.04-1,069,059.78-573,789.72

Finding the Fourth Proportional to 712,358.04, 1,069,059.78 and 573,789.72

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Solution

The fourth proportional to 712,358.04, 1,069,059.78 and 573,789.72 is: 861,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,358.04 : 1,069,059.78 = 573,789.72 : x
  2. Step 2: Convert to fraction form
    712,358.04/1,069,059.78 = 573,789.72/x
  3. Step 3: Cross multiply
    712,358.04x = 1,069,059.78 × 573,789.72
  4. Step 4: Simplify right side
    712,358.04x = 613,415,511,829.46
  5. Step 5: Solve for x
    x = 613,415,511,829.46/712,358.04
  6. Step 6: Final answer
    x = 861,105.62

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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.