Home / 1,291,536.22-1,937,599.17-393,105.28

Finding the Fourth Proportional to 1,291,536.22, 1,937,599.17 and 393,105.28

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Solution

The fourth proportional to 1,291,536.22, 1,937,599.17 and 393,105.28 is: 589,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,536.22 : 1,937,599.17 = 393,105.28 : x
  2. Step 2: Convert to fraction form
    1,291,536.22/1,937,599.17 = 393,105.28/x
  3. Step 3: Cross multiply
    1,291,536.22x = 1,937,599.17 × 393,105.28
  4. Step 4: Simplify right side
    1,291,536.22x = 761,680,464,250.62
  5. Step 5: Solve for x
    x = 761,680,464,250.62/1,291,536.22
  6. Step 6: Final answer
    x = 589,747.66

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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.