Home / 766,912.35-1,058,418.18-461,088.75

Finding the Fourth Proportional to 766,912.35, 1,058,418.18 and 461,088.75

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Solution

The fourth proportional to 766,912.35, 1,058,418.18 and 461,088.75 is: 636,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,912.35 : 1,058,418.18 = 461,088.75 : x
  2. Step 2: Convert to fraction form
    766,912.35/1,058,418.18 = 461,088.75/x
  3. Step 3: Cross multiply
    766,912.35x = 1,058,418.18 × 461,088.75
  4. Step 4: Simplify right side
    766,912.35x = 488,024,715,593.48
  5. Step 5: Solve for x
    x = 488,024,715,593.48/766,912.35
  6. Step 6: Final answer
    x = 636,350.05

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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.