Home / 1,257,410.91-1,735,266.20-684,489.27

Finding the Fourth Proportional to 1,257,410.91, 1,735,266.20 and 684,489.27

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Solution

The fourth proportional to 1,257,410.91, 1,735,266.20 and 684,489.27 is: 944,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,410.91 : 1,735,266.20 = 684,489.27 : x
  2. Step 2: Convert to fraction form
    1,257,410.91/1,735,266.20 = 684,489.27/x
  3. Step 3: Cross multiply
    1,257,410.91x = 1,735,266.20 × 684,489.27
  4. Step 4: Simplify right side
    1,257,410.91x = 1,187,771,091,071.23
  5. Step 5: Solve for x
    x = 1,187,771,091,071.23/1,257,410.91
  6. Step 6: Final answer
    x = 944,616.50

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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.