Home / 1,520,916.57-2,099,095.40-867,539.39

Finding the Fourth Proportional to 1,520,916.57, 2,099,095.40 and 867,539.39

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Solution

The fourth proportional to 1,520,916.57, 2,099,095.40 and 867,539.39 is: 1,197,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,916.57 : 2,099,095.40 = 867,539.39 : x
  2. Step 2: Convert to fraction form
    1,520,916.57/2,099,095.40 = 867,539.39/x
  3. Step 3: Cross multiply
    1,520,916.57x = 2,099,095.40 × 867,539.39
  4. Step 4: Simplify right side
    1,520,916.57x = 1,821,047,928,034.63
  5. Step 5: Solve for x
    x = 1,821,047,928,034.63/1,520,916.57
  6. Step 6: Final answer
    x = 1,197,335.85

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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.