Home / 725,676.48-1,001,455.20-439,248.96

Finding the Fourth Proportional to 725,676.48, 1,001,455.20 and 439,248.96

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Solution

The fourth proportional to 725,676.48, 1,001,455.20 and 439,248.96 is: 606,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,676.48 : 1,001,455.20 = 439,248.96 : x
  2. Step 2: Convert to fraction form
    725,676.48/1,001,455.20 = 439,248.96/x
  3. Step 3: Cross multiply
    725,676.48x = 1,001,455.20 × 439,248.96
  4. Step 4: Simplify right side
    725,676.48x = 439,888,155,086.59
  5. Step 5: Solve for x
    x = 439,888,155,086.59/725,676.48
  6. Step 6: Final answer
    x = 606,176.67

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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.