Home / 1,149,511.95-1,586,375.43-640,214.34

Finding the Fourth Proportional to 1,149,511.95, 1,586,375.43 and 640,214.34

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Solution

The fourth proportional to 1,149,511.95, 1,586,375.43 and 640,214.34 is: 883,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,511.95 : 1,586,375.43 = 640,214.34 : x
  2. Step 2: Convert to fraction form
    1,149,511.95/1,586,375.43 = 640,214.34/x
  3. Step 3: Cross multiply
    1,149,511.95x = 1,586,375.43 × 640,214.34
  4. Step 4: Simplify right side
    1,149,511.95x = 1,015,620,298,909.67
  5. Step 5: Solve for x
    x = 1,015,620,298,909.67/1,149,511.95
  6. Step 6: Final answer
    x = 883,523.05

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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.