Home / 1,257,177.43-1,734,941.73-684,254.71

Finding the Fourth Proportional to 1,257,177.43, 1,734,941.73 and 684,254.71

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Solution

The fourth proportional to 1,257,177.43, 1,734,941.73 and 684,254.71 is: 944,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,177.43 : 1,734,941.73 = 684,254.71 : x
  2. Step 2: Convert to fraction form
    1,257,177.43/1,734,941.73 = 684,254.71/x
  3. Step 3: Cross multiply
    1,257,177.43x = 1,734,941.73 × 684,254.71
  4. Step 4: Simplify right side
    1,257,177.43x = 1,187,142,050,328.05
  5. Step 5: Solve for x
    x = 1,187,142,050,328.05/1,257,177.43
  6. Step 6: Final answer
    x = 944,291.57

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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.