Home / 1,257,099.11-1,734,763.52-684,126.98

Finding the Fourth Proportional to 1,257,099.11, 1,734,763.52 and 684,126.98

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Solution

The fourth proportional to 1,257,099.11, 1,734,763.52 and 684,126.98 is: 944,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,099.11 : 1,734,763.52 = 684,126.98 : x
  2. Step 2: Convert to fraction form
    1,257,099.11/1,734,763.52 = 684,126.98/x
  3. Step 3: Cross multiply
    1,257,099.11x = 1,734,763.52 × 684,126.98
  4. Step 4: Simplify right side
    1,257,099.11x = 1,186,798,515,857.32
  5. Step 5: Solve for x
    x = 1,186,798,515,857.32/1,257,099.11
  6. Step 6: Final answer
    x = 944,077.13

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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.