Home / 1,200,690.69-1,657,043.07-684,456.89

Finding the Fourth Proportional to 1,200,690.69, 1,657,043.07 and 684,456.89

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Solution

The fourth proportional to 1,200,690.69, 1,657,043.07 and 684,456.89 is: 944,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,690.69 : 1,657,043.07 = 684,456.89 : x
  2. Step 2: Convert to fraction form
    1,200,690.69/1,657,043.07 = 684,456.89/x
  3. Step 3: Cross multiply
    1,200,690.69x = 1,657,043.07 × 684,456.89
  4. Step 4: Simplify right side
    1,200,690.69x = 1,134,174,542,865.97
  5. Step 5: Solve for x
    x = 1,134,174,542,865.97/1,200,690.69
  6. Step 6: Final answer
    x = 944,601.76

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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.