Home / 825,520.88-1,138,734.96-519,111.24

Finding the Fourth Proportional to 825,520.88, 1,138,734.96 and 519,111.24

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Solution

The fourth proportional to 825,520.88, 1,138,734.96 and 519,111.24 is: 716,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,520.88 : 1,138,734.96 = 519,111.24 : x
  2. Step 2: Convert to fraction form
    825,520.88/1,138,734.96 = 519,111.24/x
  3. Step 3: Cross multiply
    825,520.88x = 1,138,734.96 × 519,111.24
  4. Step 4: Simplify right side
    825,520.88x = 591,130,117,116.95
  5. Step 5: Solve for x
    x = 591,130,117,116.95/825,520.88
  6. Step 6: Final answer
    x = 716,069.25

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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.