Home / 626,565.33-864,661.03-340,085.48

Finding the Fourth Proportional to 626,565.33, 864,661.03 and 340,085.48

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Solution

The fourth proportional to 626,565.33, 864,661.03 and 340,085.48 is: 469,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,565.33 : 864,661.03 = 340,085.48 : x
  2. Step 2: Convert to fraction form
    626,565.33/864,661.03 = 340,085.48/x
  3. Step 3: Cross multiply
    626,565.33x = 864,661.03 × 340,085.48
  4. Step 4: Simplify right side
    626,565.33x = 294,058,656,251.33
  5. Step 5: Solve for x
    x = 294,058,656,251.33/626,565.33
  6. Step 6: Final answer
    x = 469,318.43

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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.