Home / 427,856.16-590,419.02-234,226.80

Finding the Fourth Proportional to 427,856.16, 590,419.02 and 234,226.80

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Solution

The fourth proportional to 427,856.16, 590,419.02 and 234,226.80 is: 323,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,856.16 : 590,419.02 = 234,226.80 : x
  2. Step 2: Convert to fraction form
    427,856.16/590,419.02 = 234,226.80/x
  3. Step 3: Cross multiply
    427,856.16x = 590,419.02 × 234,226.80
  4. Step 4: Simplify right side
    427,856.16x = 138,291,957,713.74
  5. Step 5: Solve for x
    x = 138,291,957,713.74/427,856.16
  6. Step 6: Final answer
    x = 323,220.68

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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.