Home / 725,532.32-1,001,268.42-403,247.72

Finding the Fourth Proportional to 725,532.32, 1,001,268.42 and 403,247.72

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Solution

The fourth proportional to 725,532.32, 1,001,268.42 and 403,247.72 is: 556,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,532.32 : 1,001,268.42 = 403,247.72 : x
  2. Step 2: Convert to fraction form
    725,532.32/1,001,268.42 = 403,247.72/x
  3. Step 3: Cross multiply
    725,532.32x = 1,001,268.42 × 403,247.72
  4. Step 4: Simplify right side
    725,532.32x = 403,759,207,473.00
  5. Step 5: Solve for x
    x = 403,759,207,473.00/725,532.32
  6. Step 6: Final answer
    x = 556,500.65

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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.