Home / 454,603.12-627,621.09-404,162.50

Finding the Fourth Proportional to 454,603.12, 627,621.09 and 404,162.50

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Solution

The fourth proportional to 454,603.12, 627,621.09 and 404,162.50 is: 557,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,603.12 : 627,621.09 = 404,162.50 : x
  2. Step 2: Convert to fraction form
    454,603.12/627,621.09 = 404,162.50/x
  3. Step 3: Cross multiply
    454,603.12x = 627,621.09 × 404,162.50
  4. Step 4: Simplify right side
    454,603.12x = 253,660,908,787.13
  5. Step 5: Solve for x
    x = 253,660,908,787.13/454,603.12
  6. Step 6: Final answer
    x = 557,983.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.