Home / 1,257,091.50-1,734,753.03-684,119.37

Finding the Fourth Proportional to 1,257,091.50, 1,734,753.03 and 684,119.37

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Solution

The fourth proportional to 1,257,091.50, 1,734,753.03 and 684,119.37 is: 944,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,091.50 : 1,734,753.03 = 684,119.37 : x
  2. Step 2: Convert to fraction form
    1,257,091.50/1,734,753.03 = 684,119.37/x
  3. Step 3: Cross multiply
    1,257,091.50x = 1,734,753.03 × 684,119.37
  4. Step 4: Simplify right side
    1,257,091.50x = 1,186,778,149,989.19
  5. Step 5: Solve for x
    x = 1,186,778,149,989.19/1,257,091.50
  6. Step 6: Final answer
    x = 944,066.64

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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.