Home / 418,419.28-577,566.67-248,651.38

Finding the Fourth Proportional to 418,419.28, 577,566.67 and 248,651.38

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Solution

The fourth proportional to 418,419.28, 577,566.67 and 248,651.38 is: 343,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,419.28 : 577,566.67 = 248,651.38 : x
  2. Step 2: Convert to fraction form
    418,419.28/577,566.67 = 248,651.38/x
  3. Step 3: Cross multiply
    418,419.28x = 577,566.67 × 248,651.38
  4. Step 4: Simplify right side
    418,419.28x = 143,612,746,649.67
  5. Step 5: Solve for x
    x = 143,612,746,649.67/418,419.28
  6. Step 6: Final answer
    x = 343,226.89

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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.