Home / 725,857.77-1,001,670.75-403,560.93

Finding the Fourth Proportional to 725,857.77, 1,001,670.75 and 403,560.93

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Solution

The fourth proportional to 725,857.77, 1,001,670.75 and 403,560.93 is: 556,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,857.77 : 1,001,670.75 = 403,560.93 : x
  2. Step 2: Convert to fraction form
    725,857.77/1,001,670.75 = 403,560.93/x
  3. Step 3: Cross multiply
    725,857.77x = 1,001,670.75 × 403,560.93
  4. Step 4: Simplify right side
    725,857.77x = 404,235,179,423.80
  5. Step 5: Solve for x
    x = 404,235,179,423.80/725,857.77
  6. Step 6: Final answer
    x = 556,906.87

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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.