Home / 679,187.25-1,018,815.75-173,752.61

Finding the Fourth Proportional to 679,187.25, 1,018,815.75 and 173,752.61

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Solution

The fourth proportional to 679,187.25, 1,018,815.75 and 173,752.61 is: 260,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,187.25 : 1,018,815.75 = 173,752.61 : x
  2. Step 2: Convert to fraction form
    679,187.25/1,018,815.75 = 173,752.61/x
  3. Step 3: Cross multiply
    679,187.25x = 1,018,815.75 × 173,752.61
  4. Step 4: Simplify right side
    679,187.25x = 177,021,890,577.53
  5. Step 5: Solve for x
    x = 177,021,890,577.53/679,187.25
  6. Step 6: Final answer
    x = 260,637.83

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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.