Home / 591,285.76-815,954.16-336,587.68

Finding the Fourth Proportional to 591,285.76, 815,954.16 and 336,587.68

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Solution

The fourth proportional to 591,285.76, 815,954.16 and 336,587.68 is: 464,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,285.76 : 815,954.16 = 336,587.68 : x
  2. Step 2: Convert to fraction form
    591,285.76/815,954.16 = 336,587.68/x
  3. Step 3: Cross multiply
    591,285.76x = 815,954.16 × 336,587.68
  4. Step 4: Simplify right side
    591,285.76x = 274,640,117,700.75
  5. Step 5: Solve for x
    x = 274,640,117,700.75/591,285.76
  6. Step 6: Final answer
    x = 464,479.51

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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.