Home / 868,542.60-1,300,049.10-619,710.60

Finding the Fourth Proportional to 868,542.60, 1,300,049.10 and 619,710.60

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Solution

The fourth proportional to 868,542.60, 1,300,049.10 and 619,710.60 is: 927,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,542.60 : 1,300,049.10 = 619,710.60 : x
  2. Step 2: Convert to fraction form
    868,542.60/1,300,049.10 = 619,710.60/x
  3. Step 3: Cross multiply
    868,542.60x = 1,300,049.10 × 619,710.60
  4. Step 4: Simplify right side
    868,542.60x = 805,654,207,790.46
  5. Step 5: Solve for x
    x = 805,654,207,790.46/868,542.60
  6. Step 6: Final answer
    x = 927,593.20

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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.