Home / 939,156.50-1,408,955.90-747,754.85

Finding the Fourth Proportional to 939,156.50, 1,408,955.90 and 747,754.85

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Solution

The fourth proportional to 939,156.50, 1,408,955.90 and 747,754.85 is: 1,121,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,156.50 : 1,408,955.90 = 747,754.85 : x
  2. Step 2: Convert to fraction form
    939,156.50/1,408,955.90 = 747,754.85/x
  3. Step 3: Cross multiply
    939,156.50x = 1,408,955.90 × 747,754.85
  4. Step 4: Simplify right side
    939,156.50x = 1,053,553,603,922.34
  5. Step 5: Solve for x
    x = 1,053,553,603,922.34/939,156.50
  6. Step 6: Final answer
    x = 1,121,808.35

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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.