Home / 418,346.65-577,322.85-227,360.05

Finding the Fourth Proportional to 418,346.65, 577,322.85 and 227,360.05

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Solution

The fourth proportional to 418,346.65, 577,322.85 and 227,360.05 is: 313,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,346.65 : 577,322.85 = 227,360.05 : x
  2. Step 2: Convert to fraction form
    418,346.65/577,322.85 = 227,360.05/x
  3. Step 3: Cross multiply
    418,346.65x = 577,322.85 × 227,360.05
  4. Step 4: Simplify right side
    418,346.65x = 131,260,152,042.14
  5. Step 5: Solve for x
    x = 131,260,152,042.14/418,346.65
  6. Step 6: Final answer
    x = 313,759.30

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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.