Home / 662,885.10-914,787.70-376,411.20

Finding the Fourth Proportional to 662,885.10, 914,787.70 and 376,411.20

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Solution

The fourth proportional to 662,885.10, 914,787.70 and 376,411.20 is: 519,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,885.10 : 914,787.70 = 376,411.20 : x
  2. Step 2: Convert to fraction form
    662,885.10/914,787.70 = 376,411.20/x
  3. Step 3: Cross multiply
    662,885.10x = 914,787.70 × 376,411.20
  4. Step 4: Simplify right side
    662,885.10x = 344,336,335,902.24
  5. Step 5: Solve for x
    x = 344,336,335,902.24/662,885.10
  6. Step 6: Final answer
    x = 519,451.01

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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.