Home / 1,143,431.19-1,714,795.65-790,711.83

Finding the Fourth Proportional to 1,143,431.19, 1,714,795.65 and 790,711.83

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Solution

The fourth proportional to 1,143,431.19, 1,714,795.65 and 790,711.83 is: 1,185,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,431.19 : 1,714,795.65 = 790,711.83 : x
  2. Step 2: Convert to fraction form
    1,143,431.19/1,714,795.65 = 790,711.83/x
  3. Step 3: Cross multiply
    1,143,431.19x = 1,714,795.65 × 790,711.83
  4. Step 4: Simplify right side
    1,143,431.19x = 1,355,909,206,487.54
  5. Step 5: Solve for x
    x = 1,355,909,206,487.54/1,143,431.19
  6. Step 6: Final answer
    x = 1,185,824.93

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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.