Home / 1,438,250.76-2,156,815.42-539,202.40

Finding the Fourth Proportional to 1,438,250.76, 2,156,815.42 and 539,202.40

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Solution

The fourth proportional to 1,438,250.76, 2,156,815.42 and 539,202.40 is: 808,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,250.76 : 2,156,815.42 = 539,202.40 : x
  2. Step 2: Convert to fraction form
    1,438,250.76/2,156,815.42 = 539,202.40/x
  3. Step 3: Cross multiply
    1,438,250.76x = 2,156,815.42 × 539,202.40
  4. Step 4: Simplify right side
    1,438,250.76x = 1,162,960,044,080.96
  5. Step 5: Solve for x
    x = 1,162,960,044,080.96/1,438,250.76
  6. Step 6: Final answer
    x = 808,593.38

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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.