Home / 1,082,398.68-1,492,723.17-929,388.87

Finding the Fourth Proportional to 1,082,398.68, 1,492,723.17 and 929,388.87

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Solution

The fourth proportional to 1,082,398.68, 1,492,723.17 and 929,388.87 is: 1,281,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,398.68 : 1,492,723.17 = 929,388.87 : x
  2. Step 2: Convert to fraction form
    1,082,398.68/1,492,723.17 = 929,388.87/x
  3. Step 3: Cross multiply
    1,082,398.68x = 1,492,723.17 × 929,388.87
  4. Step 4: Simplify right side
    1,082,398.68x = 1,387,320,300,189.12
  5. Step 5: Solve for x
    x = 1,387,320,300,189.12/1,082,398.68
  6. Step 6: Final answer
    x = 1,281,709.16

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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.