Home / 1,216,433.28-1,678,610.01-672,537.32

Finding the Fourth Proportional to 1,216,433.28, 1,678,610.01 and 672,537.32

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Solution

The fourth proportional to 1,216,433.28, 1,678,610.01 and 672,537.32 is: 928,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,433.28 : 1,678,610.01 = 672,537.32 : x
  2. Step 2: Convert to fraction form
    1,216,433.28/1,678,610.01 = 672,537.32/x
  3. Step 3: Cross multiply
    1,216,433.28x = 1,678,610.01 × 672,537.32
  4. Step 4: Simplify right side
    1,216,433.28x = 1,128,927,877,450.57
  5. Step 5: Solve for x
    x = 1,128,927,877,450.57/1,216,433.28
  6. Step 6: Final answer
    x = 928,063.95

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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.