Home / 741,338.10-1,112,007.15-268,038.90

Finding the Fourth Proportional to 741,338.10, 1,112,007.15 and 268,038.90

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Solution

The fourth proportional to 741,338.10, 1,112,007.15 and 268,038.90 is: 402,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,338.10 : 1,112,007.15 = 268,038.90 : x
  2. Step 2: Convert to fraction form
    741,338.10/1,112,007.15 = 268,038.90/x
  3. Step 3: Cross multiply
    741,338.10x = 1,112,007.15 × 268,038.90
  4. Step 4: Simplify right side
    741,338.10x = 298,061,173,278.14
  5. Step 5: Solve for x
    x = 298,061,173,278.14/741,338.10
  6. Step 6: Final answer
    x = 402,058.35

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Double scale
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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.