Home / 753,015.90-1,128,765.69-332,217.66

Finding the Fourth Proportional to 753,015.90, 1,128,765.69 and 332,217.66

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Solution

The fourth proportional to 753,015.90, 1,128,765.69 and 332,217.66 is: 497,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,015.90 : 1,128,765.69 = 332,217.66 : x
  2. Step 2: Convert to fraction form
    753,015.90/1,128,765.69 = 332,217.66/x
  3. Step 3: Cross multiply
    753,015.90x = 1,128,765.69 × 332,217.66
  4. Step 4: Simplify right side
    753,015.90x = 374,995,896,220.09
  5. Step 5: Solve for x
    x = 374,995,896,220.09/753,015.90
  6. Step 6: Final answer
    x = 497,992.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.