Home / 425,459.64-587,134.38-231,867.36

Finding the Fourth Proportional to 425,459.64, 587,134.38 and 231,867.36

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Solution

The fourth proportional to 425,459.64, 587,134.38 and 231,867.36 is: 319,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,459.64 : 587,134.38 = 231,867.36 : x
  2. Step 2: Convert to fraction form
    425,459.64/587,134.38 = 231,867.36/x
  3. Step 3: Cross multiply
    425,459.64x = 587,134.38 × 231,867.36
  4. Step 4: Simplify right side
    425,459.64x = 136,137,298,655.84
  5. Step 5: Solve for x
    x = 136,137,298,655.84/425,459.64
  6. Step 6: Final answer
    x = 319,977.00

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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.