Home / 554,022.68-830,432.46-283,780.04

Finding the Fourth Proportional to 554,022.68, 830,432.46 and 283,780.04

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Solution

The fourth proportional to 554,022.68, 830,432.46 and 283,780.04 is: 425,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,022.68 : 830,432.46 = 283,780.04 : x
  2. Step 2: Convert to fraction form
    554,022.68/830,432.46 = 283,780.04/x
  3. Step 3: Cross multiply
    554,022.68x = 830,432.46 × 283,780.04
  4. Step 4: Simplify right side
    554,022.68x = 235,660,156,716.10
  5. Step 5: Solve for x
    x = 235,660,156,716.10/554,022.68
  6. Step 6: Final answer
    x = 425,361.93

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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.