Home / 1,445,138.08-1,994,228.88-800,585.44

Finding the Fourth Proportional to 1,445,138.08, 1,994,228.88 and 800,585.44

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Solution

The fourth proportional to 1,445,138.08, 1,994,228.88 and 800,585.44 is: 1,104,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,138.08 : 1,994,228.88 = 800,585.44 : x
  2. Step 2: Convert to fraction form
    1,445,138.08/1,994,228.88 = 800,585.44/x
  3. Step 3: Cross multiply
    1,445,138.08x = 1,994,228.88 × 800,585.44
  4. Step 4: Simplify right side
    1,445,138.08x = 1,596,550,605,355.51
  5. Step 5: Solve for x
    x = 1,596,550,605,355.51/1,445,138.08
  6. Step 6: Final answer
    x = 1,104,773.74

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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.