Home / 787,577.70-1,181,366.55-226,612.20

Finding the Fourth Proportional to 787,577.70, 1,181,366.55 and 226,612.20

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Solution

The fourth proportional to 787,577.70, 1,181,366.55 and 226,612.20 is: 339,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,577.70 : 1,181,366.55 = 226,612.20 : x
  2. Step 2: Convert to fraction form
    787,577.70/1,181,366.55 = 226,612.20/x
  3. Step 3: Cross multiply
    787,577.70x = 1,181,366.55 × 226,612.20
  4. Step 4: Simplify right side
    787,577.70x = 267,712,072,901.91
  5. Step 5: Solve for x
    x = 267,712,072,901.91/787,577.70
  6. Step 6: Final answer
    x = 339,918.30

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Half scale
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Double scale
Find fourth proportional to 787,578.70, 1,181,368.05 and 226,613.20
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.