Home / 677,948.28-935,566.07-372,029.81

Finding the Fourth Proportional to 677,948.28, 935,566.07 and 372,029.81

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Solution

The fourth proportional to 677,948.28, 935,566.07 and 372,029.81 is: 513,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,948.28 : 935,566.07 = 372,029.81 : x
  2. Step 2: Convert to fraction form
    677,948.28/935,566.07 = 372,029.81/x
  3. Step 3: Cross multiply
    677,948.28x = 935,566.07 × 372,029.81
  4. Step 4: Simplify right side
    677,948.28x = 348,058,460,726.57
  5. Step 5: Solve for x
    x = 348,058,460,726.57/677,948.28
  6. Step 6: Final answer
    x = 513,399.73

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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.