Home / 758,107.68-1,046,196.40-418,575.12

Finding the Fourth Proportional to 758,107.68, 1,046,196.40 and 418,575.12

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Solution

The fourth proportional to 758,107.68, 1,046,196.40 and 418,575.12 is: 577,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,107.68 : 1,046,196.40 = 418,575.12 : x
  2. Step 2: Convert to fraction form
    758,107.68/1,046,196.40 = 418,575.12/x
  3. Step 3: Cross multiply
    758,107.68x = 1,046,196.40 × 418,575.12
  4. Step 4: Simplify right side
    758,107.68x = 437,911,783,673.57
  5. Step 5: Solve for x
    x = 437,911,783,673.57/758,107.68
  6. Step 6: Final answer
    x = 577,637.97

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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.