Home / 1,253,960.64-1,730,465.28-681,000.96

Finding the Fourth Proportional to 1,253,960.64, 1,730,465.28 and 681,000.96

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Solution

The fourth proportional to 1,253,960.64, 1,730,465.28 and 681,000.96 is: 939,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,960.64 : 1,730,465.28 = 681,000.96 : x
  2. Step 2: Convert to fraction form
    1,253,960.64/1,730,465.28 = 681,000.96/x
  3. Step 3: Cross multiply
    1,253,960.64x = 1,730,465.28 × 681,000.96
  4. Step 4: Simplify right side
    1,253,960.64x = 1,178,448,516,926.67
  5. Step 5: Solve for x
    x = 1,178,448,516,926.67/1,253,960.64
  6. Step 6: Final answer
    x = 939,781.11

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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.