Home / 1,712,827.20-2,568,463.20-647,515.20

Finding the Fourth Proportional to 1,712,827.20, 2,568,463.20 and 647,515.20

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Solution

The fourth proportional to 1,712,827.20, 2,568,463.20 and 647,515.20 is: 970,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,827.20 : 2,568,463.20 = 647,515.20 : x
  2. Step 2: Convert to fraction form
    1,712,827.20/2,568,463.20 = 647,515.20/x
  3. Step 3: Cross multiply
    1,712,827.20x = 2,568,463.20 × 647,515.20
  4. Step 4: Simplify right side
    1,712,827.20x = 1,663,118,962,640.64
  5. Step 5: Solve for x
    x = 1,663,118,962,640.64/1,712,827.20
  6. Step 6: Final answer
    x = 970,978.84

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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.