Home / 1,085,889.80-1,498,598.80-627,023.72

Finding the Fourth Proportional to 1,085,889.80, 1,498,598.80 and 627,023.72

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Solution

The fourth proportional to 1,085,889.80, 1,498,598.80 and 627,023.72 is: 865,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,889.80 : 1,498,598.80 = 627,023.72 : x
  2. Step 2: Convert to fraction form
    1,085,889.80/1,498,598.80 = 627,023.72/x
  3. Step 3: Cross multiply
    1,085,889.80x = 1,498,598.80 × 627,023.72
  4. Step 4: Simplify right side
    1,085,889.80x = 939,656,994,363.54
  5. Step 5: Solve for x
    x = 939,656,994,363.54/1,085,889.80
  6. Step 6: Final answer
    x = 865,333.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.