Home / 762,125.93-1,143,189.38-193,549.67

Finding the Fourth Proportional to 762,125.93, 1,143,189.38 and 193,549.67

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Solution

The fourth proportional to 762,125.93, 1,143,189.38 and 193,549.67 is: 290,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,125.93 : 1,143,189.38 = 193,549.67 : x
  2. Step 2: Convert to fraction form
    762,125.93/1,143,189.38 = 193,549.67/x
  3. Step 3: Cross multiply
    762,125.93x = 1,143,189.38 × 193,549.67
  4. Step 4: Simplify right side
    762,125.93x = 221,263,921,530.56
  5. Step 5: Solve for x
    x = 221,263,921,530.56/762,125.93
  6. Step 6: Final answer
    x = 290,324.62

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Double scale
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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.