Home / 725,837.88-1,001,390.94-439,253.40

Finding the Fourth Proportional to 725,837.88, 1,001,390.94 and 439,253.40

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Solution

The fourth proportional to 725,837.88, 1,001,390.94 and 439,253.40 is: 606,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,837.88 : 1,001,390.94 = 439,253.40 : x
  2. Step 2: Convert to fraction form
    725,837.88/1,001,390.94 = 439,253.40/x
  3. Step 3: Cross multiply
    725,837.88x = 1,001,390.94 × 439,253.40
  4. Step 4: Simplify right side
    725,837.88x = 439,864,375,124.20
  5. Step 5: Solve for x
    x = 439,864,375,124.20/725,837.88
  6. Step 6: Final answer
    x = 606,009.12

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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.