Home / 540,680.35-746,108.79-298,948.42

Finding the Fourth Proportional to 540,680.35, 746,108.79 and 298,948.42

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Solution

The fourth proportional to 540,680.35, 746,108.79 and 298,948.42 is: 412,532.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,680.35 : 746,108.79 = 298,948.42 : x
  2. Step 2: Convert to fraction form
    540,680.35/746,108.79 = 298,948.42/x
  3. Step 3: Cross multiply
    540,680.35x = 746,108.79 × 298,948.42
  4. Step 4: Simplify right side
    540,680.35x = 223,048,043,918.61
  5. Step 5: Solve for x
    x = 223,048,043,918.61/540,680.35
  6. Step 6: Final answer
    x = 412,532.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.