Home / 963,851.20-1,330,122.40-534,138.40

Finding the Fourth Proportional to 963,851.20, 1,330,122.40 and 534,138.40

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Solution

The fourth proportional to 963,851.20, 1,330,122.40 and 534,138.40 is: 737,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,851.20 : 1,330,122.40 = 534,138.40 : x
  2. Step 2: Convert to fraction form
    963,851.20/1,330,122.40 = 534,138.40/x
  3. Step 3: Cross multiply
    963,851.20x = 1,330,122.40 × 534,138.40
  4. Step 4: Simplify right side
    963,851.20x = 710,469,450,540.16
  5. Step 5: Solve for x
    x = 710,469,450,540.16/963,851.20
  6. Step 6: Final answer
    x = 737,115.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.