Home / 1,257,406.16-1,735,259.64-684,484.52

Finding the Fourth Proportional to 1,257,406.16, 1,735,259.64 and 684,484.52

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Solution

The fourth proportional to 1,257,406.16, 1,735,259.64 and 684,484.52 is: 944,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,406.16 : 1,735,259.64 = 684,484.52 : x
  2. Step 2: Convert to fraction form
    1,257,406.16/1,735,259.64 = 684,484.52/x
  3. Step 3: Cross multiply
    1,257,406.16x = 1,735,259.64 × 684,484.52
  4. Step 4: Simplify right side
    1,257,406.16x = 1,187,758,361,760.77
  5. Step 5: Solve for x
    x = 1,187,758,361,760.77/1,257,406.16
  6. Step 6: Final answer
    x = 944,609.94

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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.