Home / 1,914,470.70-2,871,706.05-653,721.90

Finding the Fourth Proportional to 1,914,470.70, 2,871,706.05 and 653,721.90

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Solution

The fourth proportional to 1,914,470.70, 2,871,706.05 and 653,721.90 is: 980,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,470.70 : 2,871,706.05 = 653,721.90 : x
  2. Step 2: Convert to fraction form
    1,914,470.70/2,871,706.05 = 653,721.90/x
  3. Step 3: Cross multiply
    1,914,470.70x = 2,871,706.05 × 653,721.90
  4. Step 4: Simplify right side
    1,914,470.70x = 1,877,297,135,247.50
  5. Step 5: Solve for x
    x = 1,877,297,135,247.50/1,914,470.70
  6. Step 6: Final answer
    x = 980,582.85

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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.