Home / 527,207.40-791,151.30-290,719.80

Finding the Fourth Proportional to 527,207.40, 791,151.30 and 290,719.80

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Solution

The fourth proportional to 527,207.40, 791,151.30 and 290,719.80 is: 436,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,207.40 : 791,151.30 = 290,719.80 : x
  2. Step 2: Convert to fraction form
    527,207.40/791,151.30 = 290,719.80/x
  3. Step 3: Cross multiply
    527,207.40x = 791,151.30 × 290,719.80
  4. Step 4: Simplify right side
    527,207.40x = 230,003,347,705.74
  5. Step 5: Solve for x
    x = 230,003,347,705.74/527,207.40
  6. Step 6: Final answer
    x = 436,267.30

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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.