Home / 1,276,938.30-1,915,407.45-566,211.90

Finding the Fourth Proportional to 1,276,938.30, 1,915,407.45 and 566,211.90

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Solution

The fourth proportional to 1,276,938.30, 1,915,407.45 and 566,211.90 is: 849,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,938.30 : 1,915,407.45 = 566,211.90 : x
  2. Step 2: Convert to fraction form
    1,276,938.30/1,915,407.45 = 566,211.90/x
  3. Step 3: Cross multiply
    1,276,938.30x = 1,915,407.45 × 566,211.90
  4. Step 4: Simplify right side
    1,276,938.30x = 1,084,526,491,538.66
  5. Step 5: Solve for x
    x = 1,084,526,491,538.66/1,276,938.30
  6. Step 6: Final answer
    x = 849,317.85

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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.