Home / 1,158,744.70-1,738,117.05-1,116,754.30

Finding the Fourth Proportional to 1,158,744.70, 1,738,117.05 and 1,116,754.30

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Solution

The fourth proportional to 1,158,744.70, 1,738,117.05 and 1,116,754.30 is: 1,675,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,744.70 : 1,738,117.05 = 1,116,754.30 : x
  2. Step 2: Convert to fraction form
    1,158,744.70/1,738,117.05 = 1,116,754.30/x
  3. Step 3: Cross multiply
    1,158,744.70x = 1,738,117.05 × 1,116,754.30
  4. Step 4: Simplify right side
    1,158,744.70x = 1,941,049,689,490.82
  5. Step 5: Solve for x
    x = 1,941,049,689,490.82/1,158,744.70
  6. Step 6: Final answer
    x = 1,675,131.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.