Home / 1,712,497.20-2,569,264.08-647,865.60

Finding the Fourth Proportional to 1,712,497.20, 2,569,264.08 and 647,865.60

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Solution

The fourth proportional to 1,712,497.20, 2,569,264.08 and 647,865.60 is: 971,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,497.20 : 2,569,264.08 = 647,865.60 : x
  2. Step 2: Convert to fraction form
    1,712,497.20/2,569,264.08 = 647,865.60/x
  3. Step 3: Cross multiply
    1,712,497.20x = 2,569,264.08 × 647,865.60
  4. Step 4: Simplify right side
    1,712,497.20x = 1,664,537,814,747.65
  5. Step 5: Solve for x
    x = 1,664,537,814,747.65/1,712,497.20
  6. Step 6: Final answer
    x = 971,994.47

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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.