Home / 1,477,858.87-2,039,467.85-865,865.17

Finding the Fourth Proportional to 1,477,858.87, 2,039,467.85 and 865,865.17

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Solution

The fourth proportional to 1,477,858.87, 2,039,467.85 and 865,865.17 is: 1,194,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,858.87 : 2,039,467.85 = 865,865.17 : x
  2. Step 2: Convert to fraction form
    1,477,858.87/2,039,467.85 = 865,865.17/x
  3. Step 3: Cross multiply
    1,477,858.87x = 2,039,467.85 × 865,865.17
  4. Step 4: Simplify right side
    1,477,858.87x = 1,765,904,176,649.78
  5. Step 5: Solve for x
    x = 1,765,904,176,649.78/1,477,858.87
  6. Step 6: Final answer
    x = 1,194,907.18

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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.