Home / 664,527.90-996,944.49-191,217.18

Finding the Fourth Proportional to 664,527.90, 996,944.49 and 191,217.18

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Solution

The fourth proportional to 664,527.90, 996,944.49 and 191,217.18 is: 286,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,527.90 : 996,944.49 = 191,217.18 : x
  2. Step 2: Convert to fraction form
    664,527.90/996,944.49 = 191,217.18/x
  3. Step 3: Cross multiply
    664,527.90x = 996,944.49 × 191,217.18
  4. Step 4: Simplify right side
    664,527.90x = 190,632,913,994.34
  5. Step 5: Solve for x
    x = 190,632,913,994.34/664,527.90
  6. Step 6: Final answer
    x = 286,869.69

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Double scale
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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.