Home / 547,484.12-821,228.07-168,402.29

Finding the Fourth Proportional to 547,484.12, 821,228.07 and 168,402.29

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Solution

The fourth proportional to 547,484.12, 821,228.07 and 168,402.29 is: 252,604.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,484.12 : 821,228.07 = 168,402.29 : x
  2. Step 2: Convert to fraction form
    547,484.12/821,228.07 = 168,402.29/x
  3. Step 3: Cross multiply
    547,484.12x = 821,228.07 × 168,402.29
  4. Step 4: Simplify right side
    547,484.12x = 138,296,683,494.14
  5. Step 5: Solve for x
    x = 138,296,683,494.14/547,484.12
  6. Step 6: Final answer
    x = 252,604.01

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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.