Home / 993,439.48-1,490,410.72-283,470.04

Finding the Fourth Proportional to 993,439.48, 1,490,410.72 and 283,470.04

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Solution

The fourth proportional to 993,439.48, 1,490,410.72 and 283,470.04 is: 425,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,439.48 : 1,490,410.72 = 283,470.04 : x
  2. Step 2: Convert to fraction form
    993,439.48/1,490,410.72 = 283,470.04/x
  3. Step 3: Cross multiply
    993,439.48x = 1,490,410.72 × 283,470.04
  4. Step 4: Simplify right side
    993,439.48x = 422,486,786,414.83
  5. Step 5: Solve for x
    x = 422,486,786,414.83/993,439.48
  6. Step 6: Final answer
    x = 425,276.82

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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.