Home / 1,859,509.32-2,786,627.16-778,857.36

Finding the Fourth Proportional to 1,859,509.32, 2,786,627.16 and 778,857.36

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Solution

The fourth proportional to 1,859,509.32, 2,786,627.16 and 778,857.36 is: 1,167,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,509.32 : 2,786,627.16 = 778,857.36 : x
  2. Step 2: Convert to fraction form
    1,859,509.32/2,786,627.16 = 778,857.36/x
  3. Step 3: Cross multiply
    1,859,509.32x = 2,786,627.16 × 778,857.36
  4. Step 4: Simplify right side
    1,859,509.32x = 2,170,385,073,141.90
  5. Step 5: Solve for x
    x = 2,170,385,073,141.90/1,859,509.32
  6. Step 6: Final answer
    x = 1,167,181.61

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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.