Home / 1,941,217.83-2,911,845.38-521,274.06

Finding the Fourth Proportional to 1,941,217.83, 2,911,845.38 and 521,274.06

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Solution

The fourth proportional to 1,941,217.83, 2,911,845.38 and 521,274.06 is: 781,916.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,217.83 : 2,911,845.38 = 521,274.06 : x
  2. Step 2: Convert to fraction form
    1,941,217.83/2,911,845.38 = 521,274.06/x
  3. Step 3: Cross multiply
    1,941,217.83x = 2,911,845.38 × 521,274.06
  4. Step 4: Simplify right side
    1,941,217.83x = 1,517,869,460,718.47
  5. Step 5: Solve for x
    x = 1,517,869,460,718.47/1,941,217.83
  6. Step 6: Final answer
    x = 781,916.09

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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.