Home / 547,734.90-821,602.35-192,746.10

Finding the Fourth Proportional to 547,734.90, 821,602.35 and 192,746.10

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Solution

The fourth proportional to 547,734.90, 821,602.35 and 192,746.10 is: 289,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,734.90 : 821,602.35 = 192,746.10 : x
  2. Step 2: Convert to fraction form
    547,734.90/821,602.35 = 192,746.10/x
  3. Step 3: Cross multiply
    547,734.90x = 821,602.35 × 192,746.10
  4. Step 4: Simplify right side
    547,734.90x = 158,360,648,713.34
  5. Step 5: Solve for x
    x = 158,360,648,713.34/547,734.90
  6. Step 6: Final answer
    x = 289,119.15

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Similar ratio
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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.