Home / 1,720,763.92-2,578,820.74-655,224.72

Finding the Fourth Proportional to 1,720,763.92, 2,578,820.74 and 655,224.72

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Solution

The fourth proportional to 1,720,763.92, 2,578,820.74 and 655,224.72 is: 981,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,763.92 : 2,578,820.74 = 655,224.72 : x
  2. Step 2: Convert to fraction form
    1,720,763.92/2,578,820.74 = 655,224.72/x
  3. Step 3: Cross multiply
    1,720,763.92x = 2,578,820.74 × 655,224.72
  4. Step 4: Simplify right side
    1,720,763.92x = 1,689,707,097,296.69
  5. Step 5: Solve for x
    x = 1,689,707,097,296.69/1,720,763.92
  6. Step 6: Final answer
    x = 981,951.72

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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.