Home / 863,112.91-1,191,236.12-519,296.35

Finding the Fourth Proportional to 863,112.91, 1,191,236.12 and 519,296.35

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Solution

The fourth proportional to 863,112.91, 1,191,236.12 and 519,296.35 is: 716,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,112.91 : 1,191,236.12 = 519,296.35 : x
  2. Step 2: Convert to fraction form
    863,112.91/1,191,236.12 = 519,296.35/x
  3. Step 3: Cross multiply
    863,112.91x = 1,191,236.12 × 519,296.35
  4. Step 4: Simplify right side
    863,112.91x = 618,604,569,104.16
  5. Step 5: Solve for x
    x = 618,604,569,104.16/863,112.91
  6. Step 6: Final answer
    x = 716,713.38

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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.