Home / 410,745.12-615,854.04-171,025.08

Finding the Fourth Proportional to 410,745.12, 615,854.04 and 171,025.08

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Solution

The fourth proportional to 410,745.12, 615,854.04 and 171,025.08 is: 256,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,745.12 : 615,854.04 = 171,025.08 : x
  2. Step 2: Convert to fraction form
    410,745.12/615,854.04 = 171,025.08/x
  3. Step 3: Cross multiply
    410,745.12x = 615,854.04 × 171,025.08
  4. Step 4: Simplify right side
    410,745.12x = 105,326,486,459.32
  5. Step 5: Solve for x
    x = 105,326,486,459.32/410,745.12
  6. Step 6: Final answer
    x = 256,427.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.