Home / 825,444.44-1,138,630.73-519,035.70

Finding the Fourth Proportional to 825,444.44, 1,138,630.73 and 519,035.70

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Solution

The fourth proportional to 825,444.44, 1,138,630.73 and 519,035.70 is: 715,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,444.44 : 1,138,630.73 = 519,035.70 : x
  2. Step 2: Convert to fraction form
    825,444.44/1,138,630.73 = 519,035.70/x
  3. Step 3: Cross multiply
    825,444.44x = 1,138,630.73 × 519,035.70
  4. Step 4: Simplify right side
    825,444.44x = 590,989,995,391.88
  5. Step 5: Solve for x
    x = 590,989,995,391.88/825,444.44
  6. Step 6: Final answer
    x = 715,965.81

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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.