Home / 867,944.60-1,197,905.44-519,062.20

Finding the Fourth Proportional to 867,944.60, 1,197,905.44 and 519,062.20

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Solution

The fourth proportional to 867,944.60, 1,197,905.44 and 519,062.20 is: 716,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,944.60 : 1,197,905.44 = 519,062.20 : x
  2. Step 2: Convert to fraction form
    867,944.60/1,197,905.44 = 519,062.20/x
  3. Step 3: Cross multiply
    867,944.60x = 1,197,905.44 × 519,062.20
  4. Step 4: Simplify right side
    867,944.60x = 621,787,433,078.37
  5. Step 5: Solve for x
    x = 621,787,433,078.37/867,944.60
  6. Step 6: Final answer
    x = 716,390.69

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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.