Home / 1,203,845.95-1,806,045.45-405,106.12

Finding the Fourth Proportional to 1,203,845.95, 1,806,045.45 and 405,106.12

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Solution

The fourth proportional to 1,203,845.95, 1,806,045.45 and 405,106.12 is: 607,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,845.95 : 1,806,045.45 = 405,106.12 : x
  2. Step 2: Convert to fraction form
    1,203,845.95/1,806,045.45 = 405,106.12/x
  3. Step 3: Cross multiply
    1,203,845.95x = 1,806,045.45 × 405,106.12
  4. Step 4: Simplify right side
    1,203,845.95x = 731,640,064,793.15
  5. Step 5: Solve for x
    x = 731,640,064,793.15/1,203,845.95
  6. Step 6: Final answer
    x = 607,752.23

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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.