Home / 766,354.24-1,057,601.55-426,822.52

Finding the Fourth Proportional to 766,354.24, 1,057,601.55 and 426,822.52

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Solution

The fourth proportional to 766,354.24, 1,057,601.55 and 426,822.52 is: 589,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,354.24 : 1,057,601.55 = 426,822.52 : x
  2. Step 2: Convert to fraction form
    766,354.24/1,057,601.55 = 426,822.52/x
  3. Step 3: Cross multiply
    766,354.24x = 1,057,601.55 × 426,822.52
  4. Step 4: Simplify right side
    766,354.24x = 451,408,158,726.91
  5. Step 5: Solve for x
    x = 451,408,158,726.91/766,354.24
  6. Step 6: Final answer
    x = 589,033.29

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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.