Home / 1,025,693.28-1,538,605.58-394,607.09

Finding the Fourth Proportional to 1,025,693.28, 1,538,605.58 and 394,607.09

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Solution

The fourth proportional to 1,025,693.28, 1,538,605.58 and 394,607.09 is: 591,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,693.28 : 1,538,605.58 = 394,607.09 : x
  2. Step 2: Convert to fraction form
    1,025,693.28/1,538,605.58 = 394,607.09/x
  3. Step 3: Cross multiply
    1,025,693.28x = 1,538,605.58 × 394,607.09
  4. Step 4: Simplify right side
    1,025,693.28x = 607,144,660,915.50
  5. Step 5: Solve for x
    x = 607,144,660,915.50/1,025,693.28
  6. Step 6: Final answer
    x = 591,935.89

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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.