Home / 741,411.42-1,112,203.52-268,319.58

Finding the Fourth Proportional to 741,411.42, 1,112,203.52 and 268,319.58

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Solution

The fourth proportional to 741,411.42, 1,112,203.52 and 268,319.58 is: 402,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,411.42 : 1,112,203.52 = 268,319.58 : x
  2. Step 2: Convert to fraction form
    741,411.42/1,112,203.52 = 268,319.58/x
  3. Step 3: Cross multiply
    741,411.42x = 1,112,203.52 × 268,319.58
  4. Step 4: Simplify right side
    741,411.42x = 298,425,981,360.92
  5. Step 5: Solve for x
    x = 298,425,981,360.92/741,411.42
  6. Step 6: Final answer
    x = 402,510.63

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Double scale
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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.