Home / 547,694.51-821,532.88-210,808.35

Finding the Fourth Proportional to 547,694.51, 821,532.88 and 210,808.35

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Solution

The fourth proportional to 547,694.51, 821,532.88 and 210,808.35 is: 316,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,694.51 : 821,532.88 = 210,808.35 : x
  2. Step 2: Convert to fraction form
    547,694.51/821,532.88 = 210,808.35/x
  3. Step 3: Cross multiply
    547,694.51x = 821,532.88 × 210,808.35
  4. Step 4: Simplify right side
    547,694.51x = 173,185,988,856.50
  5. Step 5: Solve for x
    x = 173,185,988,856.50/547,694.51
  6. Step 6: Final answer
    x = 316,209.10

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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.