Home / 867,505.37-1,197,194.79-480,320.75

Finding the Fourth Proportional to 867,505.37, 1,197,194.79 and 480,320.75

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Solution

The fourth proportional to 867,505.37, 1,197,194.79 and 480,320.75 is: 662,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,505.37 : 1,197,194.79 = 480,320.75 : x
  2. Step 2: Convert to fraction form
    867,505.37/1,197,194.79 = 480,320.75/x
  3. Step 3: Cross multiply
    867,505.37x = 1,197,194.79 × 480,320.75
  4. Step 4: Simplify right side
    867,505.37x = 575,037,493,442.92
  5. Step 5: Solve for x
    x = 575,037,493,442.92/867,505.37
  6. Step 6: Final answer
    x = 662,863.33

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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.