Home / 963,860.20-1,330,134.90-534,147.40

Finding the Fourth Proportional to 963,860.20, 1,330,134.90 and 534,147.40

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Solution

The fourth proportional to 963,860.20, 1,330,134.90 and 534,147.40 is: 737,127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,860.20 : 1,330,134.90 = 534,147.40 : x
  2. Step 2: Convert to fraction form
    963,860.20/1,330,134.90 = 534,147.40/x
  3. Step 3: Cross multiply
    963,860.20x = 1,330,134.90 × 534,147.40
  4. Step 4: Simplify right side
    963,860.20x = 710,488,098,484.26
  5. Step 5: Solve for x
    x = 710,488,098,484.26/963,860.20
  6. Step 6: Final answer
    x = 737,127.75

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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.