Home / 653,235.12-979,852.34-203,994.50

Finding the Fourth Proportional to 653,235.12, 979,852.34 and 203,994.50

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Solution

The fourth proportional to 653,235.12, 979,852.34 and 203,994.50 is: 305,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,235.12 : 979,852.34 = 203,994.50 : x
  2. Step 2: Convert to fraction form
    653,235.12/979,852.34 = 203,994.50/x
  3. Step 3: Cross multiply
    653,235.12x = 979,852.34 × 203,994.50
  4. Step 4: Simplify right side
    653,235.12x = 199,884,488,172.13
  5. Step 5: Solve for x
    x = 199,884,488,172.13/653,235.12
  6. Step 6: Final answer
    x = 305,991.64

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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.