Home / 1,874,806.86-2,812,356.10-612,762.06

Finding the Fourth Proportional to 1,874,806.86, 2,812,356.10 and 612,762.06

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Solution

The fourth proportional to 1,874,806.86, 2,812,356.10 and 612,762.06 is: 919,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,806.86 : 2,812,356.10 = 612,762.06 : x
  2. Step 2: Convert to fraction form
    1,874,806.86/2,812,356.10 = 612,762.06/x
  3. Step 3: Cross multiply
    1,874,806.86x = 2,812,356.10 × 612,762.06
  4. Step 4: Simplify right side
    1,874,806.86x = 1,723,305,128,601.85
  5. Step 5: Solve for x
    x = 1,723,305,128,601.85/1,874,806.86
  6. Step 6: Final answer
    x = 919,190.75

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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.