Home / 1,299,768.81-1,950,610.92-616,658.16

Finding the Fourth Proportional to 1,299,768.81, 1,950,610.92 and 616,658.16

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Solution

The fourth proportional to 1,299,768.81, 1,950,610.92 and 616,658.16 is: 925,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,768.81 : 1,950,610.92 = 616,658.16 : x
  2. Step 2: Convert to fraction form
    1,299,768.81/1,950,610.92 = 616,658.16/x
  3. Step 3: Cross multiply
    1,299,768.81x = 1,950,610.92 × 616,658.16
  4. Step 4: Simplify right side
    1,299,768.81x = 1,202,860,140,803.11
  5. Step 5: Solve for x
    x = 1,202,860,140,803.11/1,299,768.81
  6. Step 6: Final answer
    x = 925,441.61

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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.