Home / 861,999.77-1,189,586.73-474,843.26

Finding the Fourth Proportional to 861,999.77, 1,189,586.73 and 474,843.26

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Solution

The fourth proportional to 861,999.77, 1,189,586.73 and 474,843.26 is: 655,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,999.77 : 1,189,586.73 = 474,843.26 : x
  2. Step 2: Convert to fraction form
    861,999.77/1,189,586.73 = 474,843.26/x
  3. Step 3: Cross multiply
    861,999.77x = 1,189,586.73 × 474,843.26
  4. Step 4: Simplify right side
    861,999.77x = 564,867,232,603.79
  5. Step 5: Solve for x
    x = 564,867,232,603.79/861,999.77
  6. Step 6: Final answer
    x = 655,298.59

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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.