Home / 826,569.09-1,140,716.32-550,453.46

Finding the Fourth Proportional to 826,569.09, 1,140,716.32 and 550,453.46

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Solution

The fourth proportional to 826,569.09, 1,140,716.32 and 550,453.46 is: 759,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,569.09 : 1,140,716.32 = 550,453.46 : x
  2. Step 2: Convert to fraction form
    826,569.09/1,140,716.32 = 550,453.46/x
  3. Step 3: Cross multiply
    826,569.09x = 1,140,716.32 × 550,453.46
  4. Step 4: Simplify right side
    826,569.09x = 627,911,238,142.75
  5. Step 5: Solve for x
    x = 627,911,238,142.75/826,569.09
  6. Step 6: Final answer
    x = 759,659.71

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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.