Home / 547,536.60-821,295.18-281,140.56

Finding the Fourth Proportional to 547,536.60, 821,295.18 and 281,140.56

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Solution

The fourth proportional to 547,536.60, 821,295.18 and 281,140.56 is: 421,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,536.60 : 821,295.18 = 281,140.56 : x
  2. Step 2: Convert to fraction form
    547,536.60/821,295.18 = 281,140.56/x
  3. Step 3: Cross multiply
    547,536.60x = 821,295.18 × 281,140.56
  4. Step 4: Simplify right side
    547,536.60x = 230,899,386,830.50
  5. Step 5: Solve for x
    x = 230,899,386,830.50/547,536.60
  6. Step 6: Final answer
    x = 421,705.85

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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.