Home / 418,283.29-577,219.31-227,290.33

Finding the Fourth Proportional to 418,283.29, 577,219.31 and 227,290.33

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Solution

The fourth proportional to 418,283.29, 577,219.31 and 227,290.33 is: 313,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,283.29 : 577,219.31 = 227,290.33 : x
  2. Step 2: Convert to fraction form
    418,283.29/577,219.31 = 227,290.33/x
  3. Step 3: Cross multiply
    418,283.29x = 577,219.31 × 227,290.33
  4. Step 4: Simplify right side
    418,283.29x = 131,196,366,315.82
  5. Step 5: Solve for x
    x = 131,196,366,315.82/418,283.29
  6. Step 6: Final answer
    x = 313,654.33

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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.