Home / 758,414.96-1,046,523.12-418,862.96

Finding the Fourth Proportional to 758,414.96, 1,046,523.12 and 418,862.96

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Solution

The fourth proportional to 758,414.96, 1,046,523.12 and 418,862.96 is: 577,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,414.96 : 1,046,523.12 = 418,862.96 : x
  2. Step 2: Convert to fraction form
    758,414.96/1,046,523.12 = 418,862.96/x
  3. Step 3: Cross multiply
    758,414.96x = 1,046,523.12 × 418,862.96
  4. Step 4: Simplify right side
    758,414.96x = 438,349,771,751.64
  5. Step 5: Solve for x
    x = 438,349,771,751.64/758,414.96
  6. Step 6: Final answer
    x = 577,981.44

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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.