Home / 1,235,510.72-1,704,921.41-684,186.85

Finding the Fourth Proportional to 1,235,510.72, 1,704,921.41 and 684,186.85

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Solution

The fourth proportional to 1,235,510.72, 1,704,921.41 and 684,186.85 is: 944,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,510.72 : 1,704,921.41 = 684,186.85 : x
  2. Step 2: Convert to fraction form
    1,235,510.72/1,704,921.41 = 684,186.85/x
  3. Step 3: Cross multiply
    1,235,510.72x = 1,704,921.41 × 684,186.85
  4. Step 4: Simplify right side
    1,235,510.72x = 1,166,484,812,847.08
  5. Step 5: Solve for x
    x = 1,166,484,812,847.08/1,235,510.72
  6. Step 6: Final answer
    x = 944,131.68

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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.