Home / 1,230,917.85-1,846,192.10-389,360.25

Finding the Fourth Proportional to 1,230,917.85, 1,846,192.10 and 389,360.25

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Solution

The fourth proportional to 1,230,917.85, 1,846,192.10 and 389,360.25 is: 583,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,917.85 : 1,846,192.10 = 389,360.25 : x
  2. Step 2: Convert to fraction form
    1,230,917.85/1,846,192.10 = 389,360.25/x
  3. Step 3: Cross multiply
    1,230,917.85x = 1,846,192.10 × 389,360.25
  4. Step 4: Simplify right side
    1,230,917.85x = 718,833,815,657.22
  5. Step 5: Solve for x
    x = 718,833,815,657.22/1,230,917.85
  6. Step 6: Final answer
    x = 583,981.96

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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.