Home / 958,860.60-1,438,290.90-538,081.80

Finding the Fourth Proportional to 958,860.60, 1,438,290.90 and 538,081.80

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Solution

The fourth proportional to 958,860.60, 1,438,290.90 and 538,081.80 is: 807,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,860.60 : 1,438,290.90 = 538,081.80 : x
  2. Step 2: Convert to fraction form
    958,860.60/1,438,290.90 = 538,081.80/x
  3. Step 3: Cross multiply
    958,860.60x = 1,438,290.90 × 538,081.80
  4. Step 4: Simplify right side
    958,860.60x = 773,918,156,395.62
  5. Step 5: Solve for x
    x = 773,918,156,395.62/958,860.60
  6. Step 6: Final answer
    x = 807,122.70

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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.