Home / 418,299.95-577,257.59-227,313.34

Finding the Fourth Proportional to 418,299.95, 577,257.59 and 227,313.34

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Solution

The fourth proportional to 418,299.95, 577,257.59 and 227,313.34 is: 313,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,299.95 : 577,257.59 = 227,313.34 : x
  2. Step 2: Convert to fraction form
    418,299.95/577,257.59 = 227,313.34/x
  3. Step 3: Cross multiply
    418,299.95x = 577,257.59 × 227,313.34
  4. Step 4: Simplify right side
    418,299.95x = 131,218,348,669.75
  5. Step 5: Solve for x
    x = 131,218,348,669.75/418,299.95
  6. Step 6: Final answer
    x = 313,694.39

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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.