Home / 1,257,474.42-1,735,314.75-684,518.76

Finding the Fourth Proportional to 1,257,474.42, 1,735,314.75 and 684,518.76

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Solution

The fourth proportional to 1,257,474.42, 1,735,314.75 and 684,518.76 is: 944,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,474.42 : 1,735,314.75 = 684,518.76 : x
  2. Step 2: Convert to fraction form
    1,257,474.42/1,735,314.75 = 684,518.76/x
  3. Step 3: Cross multiply
    1,257,474.42x = 1,735,314.75 × 684,518.76
  4. Step 4: Simplify right side
    1,257,474.42x = 1,187,855,500,879.71
  5. Step 5: Solve for x
    x = 1,187,855,500,879.71/1,257,474.42
  6. Step 6: Final answer
    x = 944,635.92

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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.