Home / 1,454,233.70-2,181,350.55-389,440.10

Finding the Fourth Proportional to 1,454,233.70, 2,181,350.55 and 389,440.10

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Solution

The fourth proportional to 1,454,233.70, 2,181,350.55 and 389,440.10 is: 584,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,233.70 : 2,181,350.55 = 389,440.10 : x
  2. Step 2: Convert to fraction form
    1,454,233.70/2,181,350.55 = 389,440.10/x
  3. Step 3: Cross multiply
    1,454,233.70x = 2,181,350.55 × 389,440.10
  4. Step 4: Simplify right side
    1,454,233.70x = 849,505,376,327.06
  5. Step 5: Solve for x
    x = 849,505,376,327.06/1,454,233.70
  6. Step 6: Final answer
    x = 584,160.15

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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.