Home / 679,177.10-1,018,800.54-173,742.46

Finding the Fourth Proportional to 679,177.10, 1,018,800.54 and 173,742.46

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Solution

The fourth proportional to 679,177.10, 1,018,800.54 and 173,742.46 is: 260,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,177.10 : 1,018,800.54 = 173,742.46 : x
  2. Step 2: Convert to fraction form
    679,177.10/1,018,800.54 = 173,742.46/x
  3. Step 3: Cross multiply
    679,177.10x = 1,018,800.54 × 173,742.46
  4. Step 4: Simplify right side
    679,177.10x = 177,008,907,661.68
  5. Step 5: Solve for x
    x = 177,008,907,661.68/679,177.10
  6. Step 6: Final answer
    x = 260,622.61

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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.