Home / 417,972.80-576,933.60-267,070.40

Finding the Fourth Proportional to 417,972.80, 576,933.60 and 267,070.40

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Solution

The fourth proportional to 417,972.80, 576,933.60 and 267,070.40 is: 368,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,972.80 : 576,933.60 = 267,070.40 : x
  2. Step 2: Convert to fraction form
    417,972.80/576,933.60 = 267,070.40/x
  3. Step 3: Cross multiply
    417,972.80x = 576,933.60 × 267,070.40
  4. Step 4: Simplify right side
    417,972.80x = 154,081,887,325.44
  5. Step 5: Solve for x
    x = 154,081,887,325.44/417,972.80
  6. Step 6: Final answer
    x = 368,640.94

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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.