Home / 1,477,849.85-2,039,455.43-865,856.17

Finding the Fourth Proportional to 1,477,849.85, 2,039,455.43 and 865,856.17

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Solution

The fourth proportional to 1,477,849.85, 2,039,455.43 and 865,856.17 is: 1,194,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,849.85 : 2,039,455.43 = 865,856.17 : x
  2. Step 2: Convert to fraction form
    1,477,849.85/2,039,455.43 = 865,856.17/x
  3. Step 3: Cross multiply
    1,477,849.85x = 2,039,455.43 × 865,856.17
  4. Step 4: Simplify right side
    1,477,849.85x = 1,765,875,067,505.50
  5. Step 5: Solve for x
    x = 1,765,875,067,505.50/1,477,849.85
  6. Step 6: Final answer
    x = 1,194,894.78

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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.