Home / 706,056.30-1,058,428.35-492,823.80

Finding the Fourth Proportional to 706,056.30, 1,058,428.35 and 492,823.80

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Solution

The fourth proportional to 706,056.30, 1,058,428.35 and 492,823.80 is: 738,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,056.30 : 1,058,428.35 = 492,823.80 : x
  2. Step 2: Convert to fraction form
    706,056.30/1,058,428.35 = 492,823.80/x
  3. Step 3: Cross multiply
    706,056.30x = 1,058,428.35 × 492,823.80
  4. Step 4: Simplify right side
    706,056.30x = 521,618,681,474.73
  5. Step 5: Solve for x
    x = 521,618,681,474.73/706,056.30
  6. Step 6: Final answer
    x = 738,777.75

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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.