Home / 692,630.90-1,037,962.20-482,022.80

Finding the Fourth Proportional to 692,630.90, 1,037,962.20 and 482,022.80

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Solution

The fourth proportional to 692,630.90, 1,037,962.20 and 482,022.80 is: 722,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,630.90 : 1,037,962.20 = 482,022.80 : x
  2. Step 2: Convert to fraction form
    692,630.90/1,037,962.20 = 482,022.80/x
  3. Step 3: Cross multiply
    692,630.90x = 1,037,962.20 × 482,022.80
  4. Step 4: Simplify right side
    692,630.90x = 500,321,445,938.16
  5. Step 5: Solve for x
    x = 500,321,445,938.16/692,630.90
  6. Step 6: Final answer
    x = 722,349.30

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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.