Home / 1,291,257.20-1,934,581.80-624,940.40

Finding the Fourth Proportional to 1,291,257.20, 1,934,581.80 and 624,940.40

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Solution

The fourth proportional to 1,291,257.20, 1,934,581.80 and 624,940.40 is: 936,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,257.20 : 1,934,581.80 = 624,940.40 : x
  2. Step 2: Convert to fraction form
    1,291,257.20/1,934,581.80 = 624,940.40/x
  3. Step 3: Cross multiply
    1,291,257.20x = 1,934,581.80 × 624,940.40
  4. Step 4: Simplify right side
    1,291,257.20x = 1,208,998,323,924.72
  5. Step 5: Solve for x
    x = 1,208,998,323,924.72/1,291,257.20
  6. Step 6: Final answer
    x = 936,295.51

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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.