Home / 1,000,689.19-1,380,934.47-541,800.09

Finding the Fourth Proportional to 1,000,689.19, 1,380,934.47 and 541,800.09

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Solution

The fourth proportional to 1,000,689.19, 1,380,934.47 and 541,800.09 is: 747,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,689.19 : 1,380,934.47 = 541,800.09 : x
  2. Step 2: Convert to fraction form
    1,000,689.19/1,380,934.47 = 541,800.09/x
  3. Step 3: Cross multiply
    1,000,689.19x = 1,380,934.47 × 541,800.09
  4. Step 4: Simplify right side
    1,000,689.19x = 748,190,422,161.85
  5. Step 5: Solve for x
    x = 748,190,422,161.85/1,000,689.19
  6. Step 6: Final answer
    x = 747,675.13

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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.