Home / 418,438.06-577,425.90-237,139.36

Finding the Fourth Proportional to 418,438.06, 577,425.90 and 237,139.36

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Solution

The fourth proportional to 418,438.06, 577,425.90 and 237,139.36 is: 327,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,438.06 : 577,425.90 = 237,139.36 : x
  2. Step 2: Convert to fraction form
    418,438.06/577,425.90 = 237,139.36/x
  3. Step 3: Cross multiply
    418,438.06x = 577,425.90 × 237,139.36
  4. Step 4: Simplify right side
    418,438.06x = 136,930,408,373.42
  5. Step 5: Solve for x
    x = 136,930,408,373.42/418,438.06
  6. Step 6: Final answer
    x = 327,241.76

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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.