Home / 1,217,862.10-1,826,793.15-376,671.70

Finding the Fourth Proportional to 1,217,862.10, 1,826,793.15 and 376,671.70

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Solution

The fourth proportional to 1,217,862.10, 1,826,793.15 and 376,671.70 is: 565,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,862.10 : 1,826,793.15 = 376,671.70 : x
  2. Step 2: Convert to fraction form
    1,217,862.10/1,826,793.15 = 376,671.70/x
  3. Step 3: Cross multiply
    1,217,862.10x = 1,826,793.15 × 376,671.70
  4. Step 4: Simplify right side
    1,217,862.10x = 688,101,281,358.86
  5. Step 5: Solve for x
    x = 688,101,281,358.86/1,217,862.10
  6. Step 6: Final answer
    x = 565,007.55

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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.