Home / 1,228,666.27-1,695,567.34-684,836.60

Finding the Fourth Proportional to 1,228,666.27, 1,695,567.34 and 684,836.60

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Solution

The fourth proportional to 1,228,666.27, 1,695,567.34 and 684,836.60 is: 945,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,666.27 : 1,695,567.34 = 684,836.60 : x
  2. Step 2: Convert to fraction form
    1,228,666.27/1,695,567.34 = 684,836.60/x
  3. Step 3: Cross multiply
    1,228,666.27x = 1,695,567.34 × 684,836.60
  4. Step 4: Simplify right side
    1,228,666.27x = 1,161,186,570,933.23
  5. Step 5: Solve for x
    x = 1,161,186,570,933.23/1,228,666.27
  6. Step 6: Final answer
    x = 945,078.91

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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.