Home / 725,424.44-1,001,064.66-415,316.64

Finding the Fourth Proportional to 725,424.44, 1,001,064.66 and 415,316.64

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Solution

The fourth proportional to 725,424.44, 1,001,064.66 and 415,316.64 is: 573,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,424.44 : 1,001,064.66 = 415,316.64 : x
  2. Step 2: Convert to fraction form
    725,424.44/1,001,064.66 = 415,316.64/x
  3. Step 3: Cross multiply
    725,424.44x = 1,001,064.66 × 415,316.64
  4. Step 4: Simplify right side
    725,424.44x = 415,758,813,210.50
  5. Step 5: Solve for x
    x = 415,758,813,210.50/725,424.44
  6. Step 6: Final answer
    x = 573,124.91

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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.