Home / 712,899.16-1,069,348.50-180,422.92

Finding the Fourth Proportional to 712,899.16, 1,069,348.50 and 180,422.92

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Solution

The fourth proportional to 712,899.16, 1,069,348.50 and 180,422.92 is: 270,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,899.16 : 1,069,348.50 = 180,422.92 : x
  2. Step 2: Convert to fraction form
    712,899.16/1,069,348.50 = 180,422.92/x
  3. Step 3: Cross multiply
    712,899.16x = 1,069,348.50 × 180,422.92
  4. Step 4: Simplify right side
    712,899.16x = 192,934,978,867.62
  5. Step 5: Solve for x
    x = 192,934,978,867.62/712,899.16
  6. Step 6: Final answer
    x = 270,634.32

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Similar ratio
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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.