Home / 942,914.87-1,301,222.45-513,198.07

Finding the Fourth Proportional to 942,914.87, 1,301,222.45 and 513,198.07

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Solution

The fourth proportional to 942,914.87, 1,301,222.45 and 513,198.07 is: 708,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,914.87 : 1,301,222.45 = 513,198.07 : x
  2. Step 2: Convert to fraction form
    942,914.87/1,301,222.45 = 513,198.07/x
  3. Step 3: Cross multiply
    942,914.87x = 1,301,222.45 × 513,198.07
  4. Step 4: Simplify right side
    942,914.87x = 667,784,844,161.63
  5. Step 5: Solve for x
    x = 667,784,844,161.63/942,914.87
  6. Step 6: Final answer
    x = 708,213.30

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1.5x scale

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.