Home / 726,815.93-1,090,138.04-194,378.23

Finding the Fourth Proportional to 726,815.93, 1,090,138.04 and 194,378.23

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Solution

The fourth proportional to 726,815.93, 1,090,138.04 and 194,378.23 is: 291,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,815.93 : 1,090,138.04 = 194,378.23 : x
  2. Step 2: Convert to fraction form
    726,815.93/1,090,138.04 = 194,378.23/x
  3. Step 3: Cross multiply
    726,815.93x = 1,090,138.04 × 194,378.23
  4. Step 4: Simplify right side
    726,815.93x = 211,899,096,248.29
  5. Step 5: Solve for x
    x = 211,899,096,248.29/726,815.93
  6. Step 6: Final answer
    x = 291,544.38

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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.