Home / 1,781,830.11-2,672,605.71-502,385.90

Finding the Fourth Proportional to 1,781,830.11, 2,672,605.71 and 502,385.90

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Solution

The fourth proportional to 1,781,830.11, 2,672,605.71 and 502,385.90 is: 753,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,830.11 : 2,672,605.71 = 502,385.90 : x
  2. Step 2: Convert to fraction form
    1,781,830.11/2,672,605.71 = 502,385.90/x
  3. Step 3: Cross multiply
    1,781,830.11x = 2,672,605.71 × 502,385.90
  4. Step 4: Simplify right side
    1,781,830.11x = 1,342,679,422,451.56
  5. Step 5: Solve for x
    x = 1,342,679,422,451.56/1,781,830.11
  6. Step 6: Final answer
    x = 753,539.53

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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.