Home / 418,340.41-577,308.20-237,086.63

Finding the Fourth Proportional to 418,340.41, 577,308.20 and 237,086.63

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Solution

The fourth proportional to 418,340.41, 577,308.20 and 237,086.63 is: 327,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,340.41 : 577,308.20 = 237,086.63 : x
  2. Step 2: Convert to fraction form
    418,340.41/577,308.20 = 237,086.63/x
  3. Step 3: Cross multiply
    418,340.41x = 577,308.20 × 237,086.63
  4. Step 4: Simplify right side
    418,340.41x = 136,872,057,138.03
  5. Step 5: Solve for x
    x = 136,872,057,138.03/418,340.41
  6. Step 6: Final answer
    x = 327,178.67

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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.