Home / 867,945.60-1,197,906.82-519,063.20

Finding the Fourth Proportional to 867,945.60, 1,197,906.82 and 519,063.20

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Solution

The fourth proportional to 867,945.60, 1,197,906.82 and 519,063.20 is: 716,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,945.60 : 1,197,906.82 = 519,063.20 : x
  2. Step 2: Convert to fraction form
    867,945.60/1,197,906.82 = 519,063.20/x
  3. Step 3: Cross multiply
    867,945.60x = 1,197,906.82 × 519,063.20
  4. Step 4: Simplify right side
    867,945.60x = 621,789,347,291.02
  5. Step 5: Solve for x
    x = 621,789,347,291.02/867,945.60
  6. Step 6: Final answer
    x = 716,392.07

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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.