Home / 1,603,253.71-2,212,492.25-868,209.25

Finding the Fourth Proportional to 1,603,253.71, 2,212,492.25 and 868,209.25

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Solution

The fourth proportional to 1,603,253.71, 2,212,492.25 and 868,209.25 is: 1,198,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,253.71 : 2,212,492.25 = 868,209.25 : x
  2. Step 2: Convert to fraction form
    1,603,253.71/2,212,492.25 = 868,209.25/x
  3. Step 3: Cross multiply
    1,603,253.71x = 2,212,492.25 × 868,209.25
  4. Step 4: Simplify right side
    1,603,253.71x = 1,920,906,227,378.94
  5. Step 5: Solve for x
    x = 1,920,906,227,378.94/1,603,253.71
  6. Step 6: Final answer
    x = 1,198,129.92

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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.