Home / 856,373.01-1,181,920.64-493,726.03

Finding the Fourth Proportional to 856,373.01, 1,181,920.64 and 493,726.03

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Solution

The fourth proportional to 856,373.01, 1,181,920.64 and 493,726.03 is: 681,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,373.01 : 1,181,920.64 = 493,726.03 : x
  2. Step 2: Convert to fraction form
    856,373.01/1,181,920.64 = 493,726.03/x
  3. Step 3: Cross multiply
    856,373.01x = 1,181,920.64 × 493,726.03
  4. Step 4: Simplify right side
    856,373.01x = 583,544,987,975.74
  5. Step 5: Solve for x
    x = 583,544,987,975.74/856,373.01
  6. Step 6: Final answer
    x = 681,414.50

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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.