Home / 417,765.45-576,354.85-236,435.82

Finding the Fourth Proportional to 417,765.45, 576,354.85 and 236,435.82

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Solution

The fourth proportional to 417,765.45, 576,354.85 and 236,435.82 is: 326,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,765.45 : 576,354.85 = 236,435.82 : x
  2. Step 2: Convert to fraction form
    417,765.45/576,354.85 = 236,435.82/x
  3. Step 3: Cross multiply
    417,765.45x = 576,354.85 × 236,435.82
  4. Step 4: Simplify right side
    417,765.45x = 136,270,931,570.73
  5. Step 5: Solve for x
    x = 136,270,931,570.73/417,765.45
  6. Step 6: Final answer
    x = 326,190.05

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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.