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Finding the Fourth Proportional to 898,354.80, 1,347,532.20 and 833,400.90

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Solution

The fourth proportional to 898,354.80, 1,347,532.20 and 833,400.90 is: 1,250,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,354.80 : 1,347,532.20 = 833,400.90 : x
  2. Step 2: Convert to fraction form
    898,354.80/1,347,532.20 = 833,400.90/x
  3. Step 3: Cross multiply
    898,354.80x = 1,347,532.20 × 833,400.90
  4. Step 4: Simplify right side
    898,354.80x = 1,123,034,548,258.98
  5. Step 5: Solve for x
    x = 1,123,034,548,258.98/898,354.80
  6. Step 6: Final answer
    x = 1,250,101.35

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Similar ratio
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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.