Home / 825,550.74-1,138,776.48-519,142.32

Finding the Fourth Proportional to 825,550.74, 1,138,776.48 and 519,142.32

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Solution

The fourth proportional to 825,550.74, 1,138,776.48 and 519,142.32 is: 716,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,550.74 : 1,138,776.48 = 519,142.32 : x
  2. Step 2: Convert to fraction form
    825,550.74/1,138,776.48 = 519,142.32/x
  3. Step 3: Cross multiply
    825,550.74x = 1,138,776.48 × 519,142.32
  4. Step 4: Simplify right side
    825,550.74x = 591,187,063,788.63
  5. Step 5: Solve for x
    x = 591,187,063,788.63/825,550.74
  6. Step 6: Final answer
    x = 716,112.33

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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.