Home / 417,528.40-576,217.68-236,240.32

Finding the Fourth Proportional to 417,528.40, 576,217.68 and 236,240.32

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Solution

The fourth proportional to 417,528.40, 576,217.68 and 236,240.32 is: 326,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,528.40 : 576,217.68 = 236,240.32 : x
  2. Step 2: Convert to fraction form
    417,528.40/576,217.68 = 236,240.32/x
  3. Step 3: Cross multiply
    417,528.40x = 576,217.68 × 236,240.32
  4. Step 4: Simplify right side
    417,528.40x = 136,125,849,112.86
  5. Step 5: Solve for x
    x = 136,125,849,112.86/417,528.40
  6. Step 6: Final answer
    x = 326,027.76

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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.