Home / 754,483.68-1,131,709.08-354,902.97

Finding the Fourth Proportional to 754,483.68, 1,131,709.08 and 354,902.97

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Solution

The fourth proportional to 754,483.68, 1,131,709.08 and 354,902.97 is: 532,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,483.68 : 1,131,709.08 = 354,902.97 : x
  2. Step 2: Convert to fraction form
    754,483.68/1,131,709.08 = 354,902.97/x
  3. Step 3: Cross multiply
    754,483.68x = 1,131,709.08 × 354,902.97
  4. Step 4: Simplify right side
    754,483.68x = 401,646,913,667.97
  5. Step 5: Solve for x
    x = 401,646,913,667.97/754,483.68
  6. Step 6: Final answer
    x = 532,346.72

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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.