Home / 547,824.70-821,881.05-173,847.10

Finding the Fourth Proportional to 547,824.70, 821,881.05 and 173,847.10

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Solution

The fourth proportional to 547,824.70, 821,881.05 and 173,847.10 is: 260,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,824.70 : 821,881.05 = 173,847.10 : x
  2. Step 2: Convert to fraction form
    547,824.70/821,881.05 = 173,847.10/x
  3. Step 3: Cross multiply
    547,824.70x = 821,881.05 × 173,847.10
  4. Step 4: Simplify right side
    547,824.70x = 142,881,637,087.46
  5. Step 5: Solve for x
    x = 142,881,637,087.46/547,824.70
  6. Step 6: Final answer
    x = 260,816.35

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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.