Home / 784,365.06-1,176,743.79-223,399.56

Finding the Fourth Proportional to 784,365.06, 1,176,743.79 and 223,399.56

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Solution

The fourth proportional to 784,365.06, 1,176,743.79 and 223,399.56 is: 335,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,365.06 : 1,176,743.79 = 223,399.56 : x
  2. Step 2: Convert to fraction form
    784,365.06/1,176,743.79 = 223,399.56/x
  3. Step 3: Cross multiply
    784,365.06x = 1,176,743.79 × 223,399.56
  4. Step 4: Simplify right side
    784,365.06x = 262,884,044,918.73
  5. Step 5: Solve for x
    x = 262,884,044,918.73/784,365.06
  6. Step 6: Final answer
    x = 335,155.22

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1.5x scale

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.