Home / 418,720.17-577,817.23-227,733.51

Finding the Fourth Proportional to 418,720.17, 577,817.23 and 227,733.51

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Solution

The fourth proportional to 418,720.17, 577,817.23 and 227,733.51 is: 314,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,720.17 : 577,817.23 = 227,733.51 : x
  2. Step 2: Convert to fraction form
    418,720.17/577,817.23 = 227,733.51/x
  3. Step 3: Cross multiply
    418,720.17x = 577,817.23 × 227,733.51
  4. Step 4: Simplify right side
    418,720.17x = 131,588,345,926.38
  5. Step 5: Solve for x
    x = 131,588,345,926.38/418,720.17
  6. Step 6: Final answer
    x = 314,263.21

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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.