Home / 930,784.84-1,394,885.54-424,107.56

Finding the Fourth Proportional to 930,784.84, 1,394,885.54 and 424,107.56

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Solution

The fourth proportional to 930,784.84, 1,394,885.54 and 424,107.56 is: 635,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,784.84 : 1,394,885.54 = 424,107.56 : x
  2. Step 2: Convert to fraction form
    930,784.84/1,394,885.54 = 424,107.56/x
  3. Step 3: Cross multiply
    930,784.84x = 1,394,885.54 × 424,107.56
  4. Step 4: Simplify right side
    930,784.84x = 591,581,507,396.17
  5. Step 5: Solve for x
    x = 591,581,507,396.17/930,784.84
  6. Step 6: Final answer
    x = 635,572.78

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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.