Home / 418,501.96-577,544.10-227,528.52

Finding the Fourth Proportional to 418,501.96, 577,544.10 and 227,528.52

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Solution

The fourth proportional to 418,501.96, 577,544.10 and 227,528.52 is: 313,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,501.96 : 577,544.10 = 227,528.52 : x
  2. Step 2: Convert to fraction form
    418,501.96/577,544.10 = 227,528.52/x
  3. Step 3: Cross multiply
    418,501.96x = 577,544.10 × 227,528.52
  4. Step 4: Simplify right side
    418,501.96x = 131,407,754,307.73
  5. Step 5: Solve for x
    x = 131,407,754,307.73/418,501.96
  6. Step 6: Final answer
    x = 313,995.55

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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.