Home / 705,787.20-1,058,680.80-481,838.40

Finding the Fourth Proportional to 705,787.20, 1,058,680.80 and 481,838.40

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Solution

The fourth proportional to 705,787.20, 1,058,680.80 and 481,838.40 is: 722,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,787.20 : 1,058,680.80 = 481,838.40 : x
  2. Step 2: Convert to fraction form
    705,787.20/1,058,680.80 = 481,838.40/x
  3. Step 3: Cross multiply
    705,787.20x = 1,058,680.80 × 481,838.40
  4. Step 4: Simplify right side
    705,787.20x = 510,113,062,782.72
  5. Step 5: Solve for x
    x = 510,113,062,782.72/705,787.20
  6. Step 6: Final answer
    x = 722,757.60

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1.5x scale

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.