Home / 1,221,746.20-1,833,494.10-512,283.40

Finding the Fourth Proportional to 1,221,746.20, 1,833,494.10 and 512,283.40

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Solution

The fourth proportional to 1,221,746.20, 1,833,494.10 and 512,283.40 is: 768,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,746.20 : 1,833,494.10 = 512,283.40 : x
  2. Step 2: Convert to fraction form
    1,221,746.20/1,833,494.10 = 512,283.40/x
  3. Step 3: Cross multiply
    1,221,746.20x = 1,833,494.10 × 512,283.40
  4. Step 4: Simplify right side
    1,221,746.20x = 939,268,591,427.94
  5. Step 5: Solve for x
    x = 939,268,591,427.94/1,221,746.20
  6. Step 6: Final answer
    x = 768,791.91

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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.