Home / 1,342,217.31-2,013,641.30-443,659.07

Finding the Fourth Proportional to 1,342,217.31, 2,013,641.30 and 443,659.07

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Solution

The fourth proportional to 1,342,217.31, 2,013,641.30 and 443,659.07 is: 665,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,217.31 : 2,013,641.30 = 443,659.07 : x
  2. Step 2: Convert to fraction form
    1,342,217.31/2,013,641.30 = 443,659.07/x
  3. Step 3: Cross multiply
    1,342,217.31x = 2,013,641.30 × 443,659.07
  4. Step 4: Simplify right side
    1,342,217.31x = 893,370,223,399.97
  5. Step 5: Solve for x
    x = 893,370,223,399.97/1,342,217.31
  6. Step 6: Final answer
    x = 665,592.84

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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.