Home / 1,937,396.88-2,906,328.60-640,593.36

Finding the Fourth Proportional to 1,937,396.88, 2,906,328.60 and 640,593.36

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Solution

The fourth proportional to 1,937,396.88, 2,906,328.60 and 640,593.36 is: 960,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,396.88 : 2,906,328.60 = 640,593.36 : x
  2. Step 2: Convert to fraction form
    1,937,396.88/2,906,328.60 = 640,593.36/x
  3. Step 3: Cross multiply
    1,937,396.88x = 2,906,328.60 × 640,593.36
  4. Step 4: Simplify right side
    1,937,396.88x = 1,861,774,803,138.10
  5. Step 5: Solve for x
    x = 1,861,774,803,138.10/1,937,396.88
  6. Step 6: Final answer
    x = 960,967.17

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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.