Home / 461,166.16-636,705.41-289,319.75

Finding the Fourth Proportional to 461,166.16, 636,705.41 and 289,319.75

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Solution

The fourth proportional to 461,166.16, 636,705.41 and 289,319.75 is: 399,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,166.16 : 636,705.41 = 289,319.75 : x
  2. Step 2: Convert to fraction form
    461,166.16/636,705.41 = 289,319.75/x
  3. Step 3: Cross multiply
    461,166.16x = 636,705.41 × 289,319.75
  4. Step 4: Simplify right side
    461,166.16x = 184,211,449,429.79
  5. Step 5: Solve for x
    x = 184,211,449,429.79/461,166.16
  6. Step 6: Final answer
    x = 399,447.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.