Home / 750,943.10-1,126,077.96-447,480.38

Finding the Fourth Proportional to 750,943.10, 1,126,077.96 and 447,480.38

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Solution

The fourth proportional to 750,943.10, 1,126,077.96 and 447,480.38 is: 671,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,943.10 : 1,126,077.96 = 447,480.38 : x
  2. Step 2: Convert to fraction form
    750,943.10/1,126,077.96 = 447,480.38/x
  3. Step 3: Cross multiply
    750,943.10x = 1,126,077.96 × 447,480.38
  4. Step 4: Simplify right side
    750,943.10x = 503,897,793,450.43
  5. Step 5: Solve for x
    x = 503,897,793,450.43/750,943.10
  6. Step 6: Final answer
    x = 671,019.94

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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.