Home / 1,342,217.21-2,013,641.16-443,658.97

Finding the Fourth Proportional to 1,342,217.21, 2,013,641.16 and 443,658.97

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Solution

The fourth proportional to 1,342,217.21, 2,013,641.16 and 443,658.97 is: 665,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,217.21 : 2,013,641.16 = 443,658.97 : x
  2. Step 2: Convert to fraction form
    1,342,217.21/2,013,641.16 = 443,658.97/x
  3. Step 3: Cross multiply
    1,342,217.21x = 2,013,641.16 × 443,658.97
  4. Step 4: Simplify right side
    1,342,217.21x = 893,369,963,848.54
  5. Step 5: Solve for x
    x = 893,369,963,848.54/1,342,217.21
  6. Step 6: Final answer
    x = 665,592.69

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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.