Home / 547,398.10-821,119.53-187,816.25

Finding the Fourth Proportional to 547,398.10, 821,119.53 and 187,816.25

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Solution

The fourth proportional to 547,398.10, 821,119.53 and 187,816.25 is: 281,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,398.10 : 821,119.53 = 187,816.25 : x
  2. Step 2: Convert to fraction form
    547,398.10/821,119.53 = 187,816.25/x
  3. Step 3: Cross multiply
    547,398.10x = 821,119.53 × 187,816.25
  4. Step 4: Simplify right side
    547,398.10x = 154,219,593,683.47
  5. Step 5: Solve for x
    x = 154,219,593,683.47/547,398.10
  6. Step 6: Final answer
    x = 281,732.06

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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.