Home / 418,319.76-577,284.96-227,333.16

Finding the Fourth Proportional to 418,319.76, 577,284.96 and 227,333.16

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Solution

The fourth proportional to 418,319.76, 577,284.96 and 227,333.16 is: 313,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,319.76 : 577,284.96 = 227,333.16 : x
  2. Step 2: Convert to fraction form
    418,319.76/577,284.96 = 227,333.16/x
  3. Step 3: Cross multiply
    418,319.76x = 577,284.96 × 227,333.16
  4. Step 4: Simplify right side
    418,319.76x = 131,236,014,177.27
  5. Step 5: Solve for x
    x = 131,236,014,177.27/418,319.76
  6. Step 6: Final answer
    x = 313,721.77

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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.