Home / 1,429,764.27-1,972,581.33-913,820.19

Finding the Fourth Proportional to 1,429,764.27, 1,972,581.33 and 913,820.19

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Solution

The fourth proportional to 1,429,764.27, 1,972,581.33 and 913,820.19 is: 1,260,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,764.27 : 1,972,581.33 = 913,820.19 : x
  2. Step 2: Convert to fraction form
    1,429,764.27/1,972,581.33 = 913,820.19/x
  3. Step 3: Cross multiply
    1,429,764.27x = 1,972,581.33 × 913,820.19
  4. Step 4: Simplify right side
    1,429,764.27x = 1,802,584,645,771.05
  5. Step 5: Solve for x
    x = 1,802,584,645,771.05/1,429,764.27
  6. Step 6: Final answer
    x = 1,260,756.53

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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.