Home / 1,238,626.77-1,857,943.05-340,080.81

Finding the Fourth Proportional to 1,238,626.77, 1,857,943.05 and 340,080.81

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Solution

The fourth proportional to 1,238,626.77, 1,857,943.05 and 340,080.81 is: 510,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,626.77 : 1,857,943.05 = 340,080.81 : x
  2. Step 2: Convert to fraction form
    1,238,626.77/1,857,943.05 = 340,080.81/x
  3. Step 3: Cross multiply
    1,238,626.77x = 1,857,943.05 × 340,080.81
  4. Step 4: Simplify right side
    1,238,626.77x = 631,850,777,377.87
  5. Step 5: Solve for x
    x = 631,850,777,377.87/1,238,626.77
  6. Step 6: Final answer
    x = 510,122.01

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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.