Home / 614,255.40-921,383.10-454,823.10

Finding the Fourth Proportional to 614,255.40, 921,383.10 and 454,823.10

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Solution

The fourth proportional to 614,255.40, 921,383.10 and 454,823.10 is: 682,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,255.40 : 921,383.10 = 454,823.10 : x
  2. Step 2: Convert to fraction form
    614,255.40/921,383.10 = 454,823.10/x
  3. Step 3: Cross multiply
    614,255.40x = 921,383.10 × 454,823.10
  4. Step 4: Simplify right side
    614,255.40x = 419,066,317,829.61
  5. Step 5: Solve for x
    x = 419,066,317,829.61/614,255.40
  6. Step 6: Final answer
    x = 682,234.65

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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.