Home / 1,677,946.59-2,315,562.80-913,998.33

Finding the Fourth Proportional to 1,677,946.59, 2,315,562.80 and 913,998.33

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Solution

The fourth proportional to 1,677,946.59, 2,315,562.80 and 913,998.33 is: 1,261,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,946.59 : 2,315,562.80 = 913,998.33 : x
  2. Step 2: Convert to fraction form
    1,677,946.59/2,315,562.80 = 913,998.33/x
  3. Step 3: Cross multiply
    1,677,946.59x = 2,315,562.80 × 913,998.33
  4. Step 4: Simplify right side
    1,677,946.59x = 2,116,420,527,640.13
  5. Step 5: Solve for x
    x = 2,116,420,527,640.13/1,677,946.59
  6. Step 6: Final answer
    x = 1,261,315.79

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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.