Home / 1,093,415.18-1,640,239.42-462,392.78

Finding the Fourth Proportional to 1,093,415.18, 1,640,239.42 and 462,392.78

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Solution

The fourth proportional to 1,093,415.18, 1,640,239.42 and 462,392.78 is: 693,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,415.18 : 1,640,239.42 = 462,392.78 : x
  2. Step 2: Convert to fraction form
    1,093,415.18/1,640,239.42 = 462,392.78/x
  3. Step 3: Cross multiply
    1,093,415.18x = 1,640,239.42 × 462,392.78
  4. Step 4: Simplify right side
    1,093,415.18x = 758,434,865,279.39
  5. Step 5: Solve for x
    x = 758,434,865,279.39/1,093,415.18
  6. Step 6: Final answer
    x = 693,638.50

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Double scale
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Similar ratio
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1.5x scale

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.