Home / 1,056,209.78-1,581,730.85-953,858.18

Finding the Fourth Proportional to 1,056,209.78, 1,581,730.85 and 953,858.18

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Solution

The fourth proportional to 1,056,209.78, 1,581,730.85 and 953,858.18 is: 1,428,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,209.78 : 1,581,730.85 = 953,858.18 : x
  2. Step 2: Convert to fraction form
    1,056,209.78/1,581,730.85 = 953,858.18/x
  3. Step 3: Cross multiply
    1,056,209.78x = 1,581,730.85 × 953,858.18
  4. Step 4: Simplify right side
    1,056,209.78x = 1,508,746,904,306.84
  5. Step 5: Solve for x
    x = 1,508,746,904,306.84/1,056,209.78
  6. Step 6: Final answer
    x = 1,428,453.84

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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.