Home / 1,517,471.80-2,094,048.76-829,167.28

Finding the Fourth Proportional to 1,517,471.80, 2,094,048.76 and 829,167.28

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Solution

The fourth proportional to 1,517,471.80, 2,094,048.76 and 829,167.28 is: 1,144,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,471.80 : 2,094,048.76 = 829,167.28 : x
  2. Step 2: Convert to fraction form
    1,517,471.80/2,094,048.76 = 829,167.28/x
  3. Step 3: Cross multiply
    1,517,471.80x = 2,094,048.76 × 829,167.28
  4. Step 4: Simplify right side
    1,517,471.80x = 1,736,316,714,516.57
  5. Step 5: Solve for x
    x = 1,736,316,714,516.57/1,517,471.80
  6. Step 6: Final answer
    x = 1,144,216.79

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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.