Home / 725,784.36-1,001,525.68-403,474.83

Finding the Fourth Proportional to 725,784.36, 1,001,525.68 and 403,474.83

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Solution

The fourth proportional to 725,784.36, 1,001,525.68 and 403,474.83 is: 556,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,784.36 : 1,001,525.68 = 403,474.83 : x
  2. Step 2: Convert to fraction form
    725,784.36/1,001,525.68 = 403,474.83/x
  3. Step 3: Cross multiply
    725,784.36x = 1,001,525.68 × 403,474.83
  4. Step 4: Simplify right side
    725,784.36x = 404,090,403,478.63
  5. Step 5: Solve for x
    x = 404,090,403,478.63/725,784.36
  6. Step 6: Final answer
    x = 556,763.72

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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.