Home / 554,024.55-831,036.83-459,546.15

Finding the Fourth Proportional to 554,024.55, 831,036.83 and 459,546.15

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Solution

The fourth proportional to 554,024.55, 831,036.83 and 459,546.15 is: 689,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,024.55 : 831,036.83 = 459,546.15 : x
  2. Step 2: Convert to fraction form
    554,024.55/831,036.83 = 459,546.15/x
  3. Step 3: Cross multiply
    554,024.55x = 831,036.83 × 459,546.15
  4. Step 4: Simplify right side
    554,024.55x = 381,899,773,436.97
  5. Step 5: Solve for x
    x = 381,899,773,436.97/554,024.55
  6. Step 6: Final answer
    x = 689,319.23

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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.