Home / 825,552.74-1,138,779.24-519,144.32

Finding the Fourth Proportional to 825,552.74, 1,138,779.24 and 519,144.32

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Solution

The fourth proportional to 825,552.74, 1,138,779.24 and 519,144.32 is: 716,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,552.74 : 1,138,779.24 = 519,144.32 : x
  2. Step 2: Convert to fraction form
    825,552.74/1,138,779.24 = 519,144.32/x
  3. Step 3: Cross multiply
    825,552.74x = 1,138,779.24 × 519,144.32
  4. Step 4: Simplify right side
    825,552.74x = 591,190,774,179.92
  5. Step 5: Solve for x
    x = 591,190,774,179.92/825,552.74
  6. Step 6: Final answer
    x = 716,115.09

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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.