Home / 725,865.44-1,001,693.40-403,565.36

Finding the Fourth Proportional to 725,865.44, 1,001,693.40 and 403,565.36

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Solution

The fourth proportional to 725,865.44, 1,001,693.40 and 403,565.36 is: 556,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,865.44 : 1,001,693.40 = 403,565.36 : x
  2. Step 2: Convert to fraction form
    725,865.44/1,001,693.40 = 403,565.36/x
  3. Step 3: Cross multiply
    725,865.44x = 1,001,693.40 × 403,565.36
  4. Step 4: Simplify right side
    725,865.44x = 404,248,757,580.62
  5. Step 5: Solve for x
    x = 404,248,757,580.62/725,865.44
  6. Step 6: Final answer
    x = 556,919.69

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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.