Home / 913,805.50-1,260,876.54-591,470.86

Finding the Fourth Proportional to 913,805.50, 1,260,876.54 and 591,470.86

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Solution

The fourth proportional to 913,805.50, 1,260,876.54 and 591,470.86 is: 816,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,805.50 : 1,260,876.54 = 591,470.86 : x
  2. Step 2: Convert to fraction form
    913,805.50/1,260,876.54 = 591,470.86/x
  3. Step 3: Cross multiply
    913,805.50x = 1,260,876.54 × 591,470.86
  4. Step 4: Simplify right side
    913,805.50x = 745,771,731,467.62
  5. Step 5: Solve for x
    x = 745,771,731,467.62/913,805.50
  6. Step 6: Final answer
    x = 816,116.48

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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.