Home / 413,314.95-619,972.43-371,324.55

Finding the Fourth Proportional to 413,314.95, 619,972.43 and 371,324.55

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Solution

The fourth proportional to 413,314.95, 619,972.43 and 371,324.55 is: 556,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,314.95 : 619,972.43 = 371,324.55 : x
  2. Step 2: Convert to fraction form
    413,314.95/619,972.43 = 371,324.55/x
  3. Step 3: Cross multiply
    413,314.95x = 619,972.43 × 371,324.55
  4. Step 4: Simplify right side
    413,314.95x = 230,210,981,725.53
  5. Step 5: Solve for x
    x = 230,210,981,725.53/413,314.95
  6. Step 6: Final answer
    x = 556,986.83

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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.