Home / 418,272.02-577,168.52-236,945.12

Finding the Fourth Proportional to 418,272.02, 577,168.52 and 236,945.12

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Solution

The fourth proportional to 418,272.02, 577,168.52 and 236,945.12 is: 326,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,272.02 : 577,168.52 = 236,945.12 : x
  2. Step 2: Convert to fraction form
    418,272.02/577,168.52 = 236,945.12/x
  3. Step 3: Cross multiply
    418,272.02x = 577,168.52 × 236,945.12
  4. Step 4: Simplify right side
    418,272.02x = 136,757,260,161.05
  5. Step 5: Solve for x
    x = 136,757,260,161.05/418,272.02
  6. Step 6: Final answer
    x = 326,957.71

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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.