Home / 837,008.73-1,155,080.19-455,043.71

Finding the Fourth Proportional to 837,008.73, 1,155,080.19 and 455,043.71

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Solution

The fourth proportional to 837,008.73, 1,155,080.19 and 455,043.71 is: 627,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,008.73 : 1,155,080.19 = 455,043.71 : x
  2. Step 2: Convert to fraction form
    837,008.73/1,155,080.19 = 455,043.71/x
  3. Step 3: Cross multiply
    837,008.73x = 1,155,080.19 × 455,043.71
  4. Step 4: Simplify right side
    837,008.73x = 525,611,969,229.70
  5. Step 5: Solve for x
    x = 525,611,969,229.70/837,008.73
  6. Step 6: Final answer
    x = 627,964.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.