Home / 591,971.98-816,928.76-359,331.66

Finding the Fourth Proportional to 591,971.98, 816,928.76 and 359,331.66

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Solution

The fourth proportional to 591,971.98, 816,928.76 and 359,331.66 is: 495,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,971.98 : 816,928.76 = 359,331.66 : x
  2. Step 2: Convert to fraction form
    591,971.98/816,928.76 = 359,331.66/x
  3. Step 3: Cross multiply
    591,971.98x = 816,928.76 × 359,331.66
  4. Step 4: Simplify right side
    591,971.98x = 293,548,367,432.54
  5. Step 5: Solve for x
    x = 293,548,367,432.54/591,971.98
  6. Step 6: Final answer
    x = 495,882.20

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Double scale
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1.5x scale

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.