Home / 921,265.20-1,378,776.60-566,503.92

Finding the Fourth Proportional to 921,265.20, 1,378,776.60 and 566,503.92

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Solution

The fourth proportional to 921,265.20, 1,378,776.60 and 566,503.92 is: 847,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,265.20 : 1,378,776.60 = 566,503.92 : x
  2. Step 2: Convert to fraction form
    921,265.20/1,378,776.60 = 566,503.92/x
  3. Step 3: Cross multiply
    921,265.20x = 1,378,776.60 × 566,503.92
  4. Step 4: Simplify right side
    921,265.20x = 781,082,348,704.27
  5. Step 5: Solve for x
    x = 781,082,348,704.27/921,265.20
  6. Step 6: Final answer
    x = 847,836.59

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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.