Home / 1,477,059.60-2,215,589.40-1,240,863.60

Finding the Fourth Proportional to 1,477,059.60, 2,215,589.40 and 1,240,863.60

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Solution

The fourth proportional to 1,477,059.60, 2,215,589.40 and 1,240,863.60 is: 1,861,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,059.60 : 2,215,589.40 = 1,240,863.60 : x
  2. Step 2: Convert to fraction form
    1,477,059.60/2,215,589.40 = 1,240,863.60/x
  3. Step 3: Cross multiply
    1,477,059.60x = 2,215,589.40 × 1,240,863.60
  4. Step 4: Simplify right side
    1,477,059.60x = 2,749,244,239,005.84
  5. Step 5: Solve for x
    x = 2,749,244,239,005.84/1,477,059.60
  6. Step 6: Final answer
    x = 1,861,295.40

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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.