Home / 768,531.60-1,153,672.20-453,166.20

Finding the Fourth Proportional to 768,531.60, 1,153,672.20 and 453,166.20

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Solution

The fourth proportional to 768,531.60, 1,153,672.20 and 453,166.20 is: 680,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,531.60 : 1,153,672.20 = 453,166.20 : x
  2. Step 2: Convert to fraction form
    768,531.60/1,153,672.20 = 453,166.20/x
  3. Step 3: Cross multiply
    768,531.60x = 1,153,672.20 × 453,166.20
  4. Step 4: Simplify right side
    768,531.60x = 522,805,246,919.64
  5. Step 5: Solve for x
    x = 522,805,246,919.64/768,531.60
  6. Step 6: Final answer
    x = 680,265.13

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1.5x scale

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.