Home / 1,712,624.11-2,569,296.88-647,642.59

Finding the Fourth Proportional to 1,712,624.11, 2,569,296.88 and 647,642.59

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Solution

The fourth proportional to 1,712,624.11, 2,569,296.88 and 647,642.59 is: 971,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,624.11 : 2,569,296.88 = 647,642.59 : x
  2. Step 2: Convert to fraction form
    1,712,624.11/2,569,296.88 = 647,642.59/x
  3. Step 3: Cross multiply
    1,712,624.11x = 2,569,296.88 × 647,642.59
  4. Step 4: Simplify right side
    1,712,624.11x = 1,663,986,085,842.12
  5. Step 5: Solve for x
    x = 1,663,986,085,842.12/1,712,624.11
  6. Step 6: Final answer
    x = 971,600.29

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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.