Home / 697,399.50-1,046,099.25-172,087.50

Finding the Fourth Proportional to 697,399.50, 1,046,099.25 and 172,087.50

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Solution

The fourth proportional to 697,399.50, 1,046,099.25 and 172,087.50 is: 258,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,399.50 : 1,046,099.25 = 172,087.50 : x
  2. Step 2: Convert to fraction form
    697,399.50/1,046,099.25 = 172,087.50/x
  3. Step 3: Cross multiply
    697,399.50x = 1,046,099.25 × 172,087.50
  4. Step 4: Simplify right side
    697,399.50x = 180,020,604,684.38
  5. Step 5: Solve for x
    x = 180,020,604,684.38/697,399.50
  6. Step 6: Final answer
    x = 258,131.25

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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.