Home / 725,424.84-1,001,110.62-403,148.52

Finding the Fourth Proportional to 725,424.84, 1,001,110.62 and 403,148.52

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Solution

The fourth proportional to 725,424.84, 1,001,110.62 and 403,148.52 is: 556,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,424.84 : 1,001,110.62 = 403,148.52 : x
  2. Step 2: Convert to fraction form
    725,424.84/1,001,110.62 = 403,148.52/x
  3. Step 3: Cross multiply
    725,424.84x = 1,001,110.62 × 403,148.52
  4. Step 4: Simplify right side
    725,424.84x = 403,596,264,809.28
  5. Step 5: Solve for x
    x = 403,596,264,809.28/725,424.84
  6. Step 6: Final answer
    x = 556,358.48

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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.