Home / 1,791,823.92-2,687,702.64-443,989.68

Finding the Fourth Proportional to 1,791,823.92, 2,687,702.64 and 443,989.68

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Solution

The fourth proportional to 1,791,823.92, 2,687,702.64 and 443,989.68 is: 665,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,823.92 : 2,687,702.64 = 443,989.68 : x
  2. Step 2: Convert to fraction form
    1,791,823.92/2,687,702.64 = 443,989.68/x
  3. Step 3: Cross multiply
    1,791,823.92x = 2,687,702.64 × 443,989.68
  4. Step 4: Simplify right side
    1,791,823.92x = 1,193,312,235,068.76
  5. Step 5: Solve for x
    x = 1,193,312,235,068.76/1,791,823.92
  6. Step 6: Final answer
    x = 665,976.28

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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.