Home / 766,693.50-1,058,044.26-422,541.84

Finding the Fourth Proportional to 766,693.50, 1,058,044.26 and 422,541.84

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Solution

The fourth proportional to 766,693.50, 1,058,044.26 and 422,541.84 is: 583,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,693.50 : 1,058,044.26 = 422,541.84 : x
  2. Step 2: Convert to fraction form
    766,693.50/1,058,044.26 = 422,541.84/x
  3. Step 3: Cross multiply
    766,693.50x = 1,058,044.26 × 422,541.84
  4. Step 4: Simplify right side
    766,693.50x = 447,067,970,404.11
  5. Step 5: Solve for x
    x = 447,067,970,404.11/766,693.50
  6. Step 6: Final answer
    x = 583,111.72

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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.