Home / 863,114.91-1,191,238.88-519,298.35

Finding the Fourth Proportional to 863,114.91, 1,191,238.88 and 519,298.35

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Solution

The fourth proportional to 863,114.91, 1,191,238.88 and 519,298.35 is: 716,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,114.91 : 1,191,238.88 = 519,298.35 : x
  2. Step 2: Convert to fraction form
    863,114.91/1,191,238.88 = 519,298.35/x
  3. Step 3: Cross multiply
    863,114.91x = 1,191,238.88 × 519,298.35
  4. Step 4: Simplify right side
    863,114.91x = 618,608,382,243.36
  5. Step 5: Solve for x
    x = 618,608,382,243.36/863,114.91
  6. Step 6: Final answer
    x = 716,716.13

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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.