Home / 925,440.90-1,390,234.95-887,655.30

Finding the Fourth Proportional to 925,440.90, 1,390,234.95 and 887,655.30

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Solution

The fourth proportional to 925,440.90, 1,390,234.95 and 887,655.30 is: 1,333,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,440.90 : 1,390,234.95 = 887,655.30 : x
  2. Step 2: Convert to fraction form
    925,440.90/1,390,234.95 = 887,655.30/x
  3. Step 3: Cross multiply
    925,440.90x = 1,390,234.95 × 887,655.30
  4. Step 4: Simplify right side
    925,440.90x = 1,234,049,421,612.74
  5. Step 5: Solve for x
    x = 1,234,049,421,612.74/925,440.90
  6. Step 6: Final answer
    x = 1,333,471.89

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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.