Home / 837,981.78-1,256,984.40-238,943.19

Finding the Fourth Proportional to 837,981.78, 1,256,984.40 and 238,943.19

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Solution

The fourth proportional to 837,981.78, 1,256,984.40 and 238,943.19 is: 358,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,981.78 : 1,256,984.40 = 238,943.19 : x
  2. Step 2: Convert to fraction form
    837,981.78/1,256,984.40 = 238,943.19/x
  3. Step 3: Cross multiply
    837,981.78x = 1,256,984.40 × 238,943.19
  4. Step 4: Simplify right side
    837,981.78x = 300,347,862,316.24
  5. Step 5: Solve for x
    x = 300,347,862,316.24/837,981.78
  6. Step 6: Final answer
    x = 358,418.13

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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.