Home / 1,720,764.92-2,578,822.24-655,225.72

Finding the Fourth Proportional to 1,720,764.92, 2,578,822.24 and 655,225.72

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Solution

The fourth proportional to 1,720,764.92, 2,578,822.24 and 655,225.72 is: 981,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,764.92 : 2,578,822.24 = 655,225.72 : x
  2. Step 2: Convert to fraction form
    1,720,764.92/2,578,822.24 = 655,225.72/x
  3. Step 3: Cross multiply
    1,720,764.92x = 2,578,822.24 × 655,225.72
  4. Step 4: Simplify right side
    1,720,764.92x = 1,689,710,658,956.01
  5. Step 5: Solve for x
    x = 1,689,710,658,956.01/1,720,764.92
  6. Step 6: Final answer
    x = 981,953.22

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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.