Home / 1,712,622.11-2,569,293.88-647,640.59

Finding the Fourth Proportional to 1,712,622.11, 2,569,293.88 and 647,640.59

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Solution

The fourth proportional to 1,712,622.11, 2,569,293.88 and 647,640.59 is: 971,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,622.11 : 2,569,293.88 = 647,640.59 : x
  2. Step 2: Convert to fraction form
    1,712,622.11/2,569,293.88 = 647,640.59/x
  3. Step 3: Cross multiply
    1,712,622.11x = 2,569,293.88 × 647,640.59
  4. Step 4: Simplify right side
    1,712,622.11x = 1,663,978,989,861.02
  5. Step 5: Solve for x
    x = 1,663,978,989,861.02/1,712,622.11
  6. Step 6: Final answer
    x = 971,597.29

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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.