Home / 834,306.80-1,151,272.44-471,680.32

Finding the Fourth Proportional to 834,306.80, 1,151,272.44 and 471,680.32

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Solution

The fourth proportional to 834,306.80, 1,151,272.44 and 471,680.32 is: 650,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,306.80 : 1,151,272.44 = 471,680.32 : x
  2. Step 2: Convert to fraction form
    834,306.80/1,151,272.44 = 471,680.32/x
  3. Step 3: Cross multiply
    834,306.80x = 1,151,272.44 × 471,680.32
  4. Step 4: Simplify right side
    834,306.80x = 543,032,552,906.38
  5. Step 5: Solve for x
    x = 543,032,552,906.38/834,306.80
  6. Step 6: Final answer
    x = 650,878.73

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Double scale
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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.