Home / 736,872.79-1,105,309.18-204,393.81

Finding the Fourth Proportional to 736,872.79, 1,105,309.18 and 204,393.81

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Solution

The fourth proportional to 736,872.79, 1,105,309.18 and 204,393.81 is: 306,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,872.79 : 1,105,309.18 = 204,393.81 : x
  2. Step 2: Convert to fraction form
    736,872.79/1,105,309.18 = 204,393.81/x
  3. Step 3: Cross multiply
    736,872.79x = 1,105,309.18 × 204,393.81
  4. Step 4: Simplify right side
    736,872.79x = 225,918,354,017.19
  5. Step 5: Solve for x
    x = 225,918,354,017.19/736,872.79
  6. Step 6: Final answer
    x = 306,590.71

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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.