Home / 1,445,091.64-1,994,200.36-800,509.84

Finding the Fourth Proportional to 1,445,091.64, 1,994,200.36 and 800,509.84

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Solution

The fourth proportional to 1,445,091.64, 1,994,200.36 and 800,509.84 is: 1,104,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,091.64 : 1,994,200.36 = 800,509.84 : x
  2. Step 2: Convert to fraction form
    1,445,091.64/1,994,200.36 = 800,509.84/x
  3. Step 3: Cross multiply
    1,445,091.64x = 1,994,200.36 × 800,509.84
  4. Step 4: Simplify right side
    1,445,091.64x = 1,596,377,011,111.54
  5. Step 5: Solve for x
    x = 1,596,377,011,111.54/1,445,091.64
  6. Step 6: Final answer
    x = 1,104,689.12

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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.