Home / 1,333,520.10-1,840,263.60-721,672.95

Finding the Fourth Proportional to 1,333,520.10, 1,840,263.60 and 721,672.95

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Solution

The fourth proportional to 1,333,520.10, 1,840,263.60 and 721,672.95 is: 995,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,520.10 : 1,840,263.60 = 721,672.95 : x
  2. Step 2: Convert to fraction form
    1,333,520.10/1,840,263.60 = 721,672.95/x
  3. Step 3: Cross multiply
    1,333,520.10x = 1,840,263.60 × 721,672.95
  4. Step 4: Simplify right side
    1,333,520.10x = 1,328,068,460,989.62
  5. Step 5: Solve for x
    x = 1,328,068,460,989.62/1,333,520.10
  6. Step 6: Final answer
    x = 995,911.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.