Home / 860,442.11-1,187,438.96-473,273.90

Finding the Fourth Proportional to 860,442.11, 1,187,438.96 and 473,273.90

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Solution

The fourth proportional to 860,442.11, 1,187,438.96 and 473,273.90 is: 653,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,442.11 : 1,187,438.96 = 473,273.90 : x
  2. Step 2: Convert to fraction form
    860,442.11/1,187,438.96 = 473,273.90/x
  3. Step 3: Cross multiply
    860,442.11x = 1,187,438.96 × 473,273.90
  4. Step 4: Simplify right side
    860,442.11x = 561,983,865,244.78
  5. Step 5: Solve for x
    x = 561,983,865,244.78/860,442.11
  6. Step 6: Final answer
    x = 653,133.85

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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.