Home / 418,198.89-577,095.66-236,907.12

Finding the Fourth Proportional to 418,198.89, 577,095.66 and 236,907.12

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Solution

The fourth proportional to 418,198.89, 577,095.66 and 236,907.12 is: 326,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,198.89 : 577,095.66 = 236,907.12 : x
  2. Step 2: Convert to fraction form
    418,198.89/577,095.66 = 236,907.12/x
  3. Step 3: Cross multiply
    418,198.89x = 577,095.66 × 236,907.12
  4. Step 4: Simplify right side
    418,198.89x = 136,718,070,775.10
  5. Step 5: Solve for x
    x = 136,718,070,775.10/418,198.89
  6. Step 6: Final answer
    x = 326,921.17

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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.