Home / 1,425,566.30-2,138,925.45-626,999.90

Finding the Fourth Proportional to 1,425,566.30, 2,138,925.45 and 626,999.90

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Solution

The fourth proportional to 1,425,566.30, 2,138,925.45 and 626,999.90 is: 940,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,566.30 : 2,138,925.45 = 626,999.90 : x
  2. Step 2: Convert to fraction form
    1,425,566.30/2,138,925.45 = 626,999.90/x
  3. Step 3: Cross multiply
    1,425,566.30x = 2,138,925.45 × 626,999.90
  4. Step 4: Simplify right side
    1,425,566.30x = 1,341,106,043,257.46
  5. Step 5: Solve for x
    x = 1,341,106,043,257.46/1,425,566.30
  6. Step 6: Final answer
    x = 940,753.19

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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.