Home / 725,940.48-1,001,740.88-403,630.96

Finding the Fourth Proportional to 725,940.48, 1,001,740.88 and 403,630.96

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Solution

The fourth proportional to 725,940.48, 1,001,740.88 and 403,630.96 is: 556,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,940.48 : 1,001,740.88 = 403,630.96 : x
  2. Step 2: Convert to fraction form
    725,940.48/1,001,740.88 = 403,630.96/x
  3. Step 3: Cross multiply
    725,940.48x = 1,001,740.88 × 403,630.96
  4. Step 4: Simplify right side
    725,940.48x = 404,333,633,065.65
  5. Step 5: Solve for x
    x = 404,333,633,065.65/725,940.48
  6. Step 6: Final answer
    x = 556,979.04

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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.