Home / 725,677.48-1,001,456.58-439,249.96

Finding the Fourth Proportional to 725,677.48, 1,001,456.58 and 439,249.96

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Solution

The fourth proportional to 725,677.48, 1,001,456.58 and 439,249.96 is: 606,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,677.48 : 1,001,456.58 = 439,249.96 : x
  2. Step 2: Convert to fraction form
    725,677.48/1,001,456.58 = 439,249.96/x
  3. Step 3: Cross multiply
    725,677.48x = 1,001,456.58 × 439,249.96
  4. Step 4: Simplify right side
    725,677.48x = 439,889,762,706.74
  5. Step 5: Solve for x
    x = 439,889,762,706.74/725,677.48
  6. Step 6: Final answer
    x = 606,178.05

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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.