Home / 418,206.12-577,127.04-227,219.40

Finding the Fourth Proportional to 418,206.12, 577,127.04 and 227,219.40

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Solution

The fourth proportional to 418,206.12, 577,127.04 and 227,219.40 is: 313,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,206.12 : 577,127.04 = 227,219.40 : x
  2. Step 2: Convert to fraction form
    418,206.12/577,127.04 = 227,219.40/x
  3. Step 3: Cross multiply
    418,206.12x = 577,127.04 × 227,219.40
  4. Step 4: Simplify right side
    418,206.12x = 131,134,459,752.58
  5. Step 5: Solve for x
    x = 131,134,459,752.58/418,206.12
  6. Step 6: Final answer
    x = 313,564.18

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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.