Home / 1,243,134.39-1,714,904.42-784,816.95

Finding the Fourth Proportional to 1,243,134.39, 1,714,904.42 and 784,816.95

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Solution

The fourth proportional to 1,243,134.39, 1,714,904.42 and 784,816.95 is: 1,082,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,134.39 : 1,714,904.42 = 784,816.95 : x
  2. Step 2: Convert to fraction form
    1,243,134.39/1,714,904.42 = 784,816.95/x
  3. Step 3: Cross multiply
    1,243,134.39x = 1,714,904.42 × 784,816.95
  4. Step 4: Simplify right side
    1,243,134.39x = 1,345,886,052,521.83
  5. Step 5: Solve for x
    x = 1,345,886,052,521.83/1,243,134.39
  6. Step 6: Final answer
    x = 1,082,655.31

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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.