Home / 1,116,589.77-1,540,399.72-686,615.85

Finding the Fourth Proportional to 1,116,589.77, 1,540,399.72 and 686,615.85

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Solution

The fourth proportional to 1,116,589.77, 1,540,399.72 and 686,615.85 is: 947,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,589.77 : 1,540,399.72 = 686,615.85 : x
  2. Step 2: Convert to fraction form
    1,116,589.77/1,540,399.72 = 686,615.85/x
  3. Step 3: Cross multiply
    1,116,589.77x = 1,540,399.72 × 686,615.85
  4. Step 4: Simplify right side
    1,116,589.77x = 1,057,662,866,938.56
  5. Step 5: Solve for x
    x = 1,057,662,866,938.56/1,116,589.77
  6. Step 6: Final answer
    x = 947,226.00

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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.