Home / 1,638,543.75-2,260,264.27-1,025,632.55

Finding the Fourth Proportional to 1,638,543.75, 2,260,264.27 and 1,025,632.55

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Solution

The fourth proportional to 1,638,543.75, 2,260,264.27 and 1,025,632.55 is: 1,414,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,543.75 : 2,260,264.27 = 1,025,632.55 : x
  2. Step 2: Convert to fraction form
    1,638,543.75/2,260,264.27 = 1,025,632.55/x
  3. Step 3: Cross multiply
    1,638,543.75x = 2,260,264.27 × 1,025,632.55
  4. Step 4: Simplify right side
    1,638,543.75x = 2,318,200,606,913.99
  5. Step 5: Solve for x
    x = 2,318,200,606,913.99/1,638,543.75
  6. Step 6: Final answer
    x = 1,414,793.23

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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.