Home / 477,110.60-715,665.44-122,124.05

Finding the Fourth Proportional to 477,110.60, 715,665.44 and 122,124.05

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Solution

The fourth proportional to 477,110.60, 715,665.44 and 122,124.05 is: 183,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,110.60 : 715,665.44 = 122,124.05 : x
  2. Step 2: Convert to fraction form
    477,110.60/715,665.44 = 122,124.05/x
  3. Step 3: Cross multiply
    477,110.60x = 715,665.44 × 122,124.05
  4. Step 4: Simplify right side
    477,110.60x = 87,399,961,977.83
  5. Step 5: Solve for x
    x = 87,399,961,977.83/477,110.60
  6. Step 6: Final answer
    x = 183,185.96

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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.