Home / 662,787.18-914,590.15-372,376.07

Finding the Fourth Proportional to 662,787.18, 914,590.15 and 372,376.07

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Solution

The fourth proportional to 662,787.18, 914,590.15 and 372,376.07 is: 513,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,787.18 : 914,590.15 = 372,376.07 : x
  2. Step 2: Convert to fraction form
    662,787.18/914,590.15 = 372,376.07/x
  3. Step 3: Cross multiply
    662,787.18x = 914,590.15 × 372,376.07
  4. Step 4: Simplify right side
    662,787.18x = 340,571,480,213.82
  5. Step 5: Solve for x
    x = 340,571,480,213.82/662,787.18
  6. Step 6: Final answer
    x = 513,847.42

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1.5x scale

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.