Home / 970,861.40-1,456,292.10-545,708.60

Finding the Fourth Proportional to 970,861.40, 1,456,292.10 and 545,708.60

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Solution

The fourth proportional to 970,861.40, 1,456,292.10 and 545,708.60 is: 818,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,861.40 : 1,456,292.10 = 545,708.60 : x
  2. Step 2: Convert to fraction form
    970,861.40/1,456,292.10 = 545,708.60/x
  3. Step 3: Cross multiply
    970,861.40x = 1,456,292.10 × 545,708.60
  4. Step 4: Simplify right side
    970,861.40x = 794,711,123,082.06
  5. Step 5: Solve for x
    x = 794,711,123,082.06/970,861.40
  6. Step 6: Final answer
    x = 818,562.90

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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.