Home / 1,325,444.28-1,829,025.96-781,553.76

Finding the Fourth Proportional to 1,325,444.28, 1,829,025.96 and 781,553.76

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Solution

The fourth proportional to 1,325,444.28, 1,829,025.96 and 781,553.76 is: 1,078,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,444.28 : 1,829,025.96 = 781,553.76 : x
  2. Step 2: Convert to fraction form
    1,325,444.28/1,829,025.96 = 781,553.76/x
  3. Step 3: Cross multiply
    1,325,444.28x = 1,829,025.96 × 781,553.76
  4. Step 4: Simplify right side
    1,325,444.28x = 1,429,482,116,175.61
  5. Step 5: Solve for x
    x = 1,429,482,116,175.61/1,325,444.28
  6. Step 6: Final answer
    x = 1,078,492.80

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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.