Home / 418,210.56-577,131.20-227,223.88

Finding the Fourth Proportional to 418,210.56, 577,131.20 and 227,223.88

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Solution

The fourth proportional to 418,210.56, 577,131.20 and 227,223.88 is: 313,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,210.56 : 577,131.20 = 227,223.88 : x
  2. Step 2: Convert to fraction form
    418,210.56/577,131.20 = 227,223.88/x
  3. Step 3: Cross multiply
    418,210.56x = 577,131.20 × 227,223.88
  4. Step 4: Simplify right side
    418,210.56x = 131,137,990,533.06
  5. Step 5: Solve for x
    x = 131,137,990,533.06/418,210.56
  6. Step 6: Final answer
    x = 313,569.30

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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.