Home / 744,856.20-1,117,294.71-212,377.44

Finding the Fourth Proportional to 744,856.20, 1,117,294.71 and 212,377.44

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Solution

The fourth proportional to 744,856.20, 1,117,294.71 and 212,377.44 is: 318,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,856.20 : 1,117,294.71 = 212,377.44 : x
  2. Step 2: Convert to fraction form
    744,856.20/1,117,294.71 = 212,377.44/x
  3. Step 3: Cross multiply
    744,856.20x = 1,117,294.71 × 212,377.44
  4. Step 4: Simplify right side
    744,856.20x = 237,288,190,235.34
  5. Step 5: Solve for x
    x = 237,288,190,235.34/744,856.20
  6. Step 6: Final answer
    x = 318,569.13

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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.