Home / 1,149,503.43-1,586,364.03-640,205.94

Finding the Fourth Proportional to 1,149,503.43, 1,586,364.03 and 640,205.94

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Solution

The fourth proportional to 1,149,503.43, 1,586,364.03 and 640,205.94 is: 883,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,503.43 : 1,586,364.03 = 640,205.94 : x
  2. Step 2: Convert to fraction form
    1,149,503.43/1,586,364.03 = 640,205.94/x
  3. Step 3: Cross multiply
    1,149,503.43x = 1,586,364.03 × 640,205.94
  4. Step 4: Simplify right side
    1,149,503.43x = 1,015,599,675,008.34
  5. Step 5: Solve for x
    x = 1,015,599,675,008.34/1,149,503.43
  6. Step 6: Final answer
    x = 883,511.65

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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.