Home / 1,216,385.19-1,678,581.98-672,506.97

Finding the Fourth Proportional to 1,216,385.19, 1,678,581.98 and 672,506.97

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Solution

The fourth proportional to 1,216,385.19, 1,678,581.98 and 672,506.97 is: 928,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,385.19 : 1,678,581.98 = 672,506.97 : x
  2. Step 2: Convert to fraction form
    1,216,385.19/1,678,581.98 = 672,506.97/x
  3. Step 3: Cross multiply
    1,216,385.19x = 1,678,581.98 × 672,506.97
  4. Step 4: Simplify right side
    1,216,385.19x = 1,128,858,077,903.87
  5. Step 5: Solve for x
    x = 1,128,858,077,903.87/1,216,385.19
  6. Step 6: Final answer
    x = 928,043.26

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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.