Home / 662,816.31-914,712.92-376,363.05

Finding the Fourth Proportional to 662,816.31, 914,712.92 and 376,363.05

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Solution

The fourth proportional to 662,816.31, 914,712.92 and 376,363.05 is: 519,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,816.31 : 914,712.92 = 376,363.05 : x
  2. Step 2: Convert to fraction form
    662,816.31/914,712.92 = 376,363.05/x
  3. Step 3: Cross multiply
    662,816.31x = 914,712.92 × 376,363.05
  4. Step 4: Simplify right side
    662,816.31x = 344,264,144,445.61
  5. Step 5: Solve for x
    x = 344,264,144,445.61/662,816.31
  6. Step 6: Final answer
    x = 519,396.01

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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.