Home / 1,247,573.14-1,721,661.23-688,785.53

Finding the Fourth Proportional to 1,247,573.14, 1,721,661.23 and 688,785.53

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Solution

The fourth proportional to 1,247,573.14, 1,721,661.23 and 688,785.53 is: 950,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,573.14 : 1,721,661.23 = 688,785.53 : x
  2. Step 2: Convert to fraction form
    1,247,573.14/1,721,661.23 = 688,785.53/x
  3. Step 3: Cross multiply
    1,247,573.14x = 1,721,661.23 × 688,785.53
  4. Step 4: Simplify right side
    1,247,573.14x = 1,185,855,332,025.24
  5. Step 5: Solve for x
    x = 1,185,855,332,025.24/1,247,573.14
  6. Step 6: Final answer
    x = 950,529.71

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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.