Home / 825,641.78-1,138,901.77-519,232.14

Finding the Fourth Proportional to 825,641.78, 1,138,901.77 and 519,232.14

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Solution

The fourth proportional to 825,641.78, 1,138,901.77 and 519,232.14 is: 716,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,641.78 : 1,138,901.77 = 519,232.14 : x
  2. Step 2: Convert to fraction form
    825,641.78/1,138,901.77 = 519,232.14/x
  3. Step 3: Cross multiply
    825,641.78x = 1,138,901.77 × 519,232.14
  4. Step 4: Simplify right side
    825,641.78x = 591,354,403,286.89
  5. Step 5: Solve for x
    x = 591,354,403,286.89/825,641.78
  6. Step 6: Final answer
    x = 716,236.05

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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.