Home / 1,093,643.10-1,640,464.65-621,251.10

Finding the Fourth Proportional to 1,093,643.10, 1,640,464.65 and 621,251.10

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Solution

The fourth proportional to 1,093,643.10, 1,640,464.65 and 621,251.10 is: 931,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,643.10 : 1,640,464.65 = 621,251.10 : x
  2. Step 2: Convert to fraction form
    1,093,643.10/1,640,464.65 = 621,251.10/x
  3. Step 3: Cross multiply
    1,093,643.10x = 1,640,464.65 × 621,251.10
  4. Step 4: Simplify right side
    1,093,643.10x = 1,019,140,468,323.61
  5. Step 5: Solve for x
    x = 1,019,140,468,323.61/1,093,643.10
  6. Step 6: Final answer
    x = 931,876.65

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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.