Home / 1,270,544.81-1,753,123.11-719,256.80

Finding the Fourth Proportional to 1,270,544.81, 1,753,123.11 and 719,256.80

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Solution

The fourth proportional to 1,270,544.81, 1,753,123.11 and 719,256.80 is: 992,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,544.81 : 1,753,123.11 = 719,256.80 : x
  2. Step 2: Convert to fraction form
    1,270,544.81/1,753,123.11 = 719,256.80/x
  3. Step 3: Cross multiply
    1,270,544.81x = 1,753,123.11 × 719,256.80
  4. Step 4: Simplify right side
    1,270,544.81x = 1,260,945,718,104.65
  5. Step 5: Solve for x
    x = 1,260,945,718,104.65/1,270,544.81
  6. Step 6: Final answer
    x = 992,444.90

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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.