Home / 1,200,001.77-1,656,329.06-684,027.31

Finding the Fourth Proportional to 1,200,001.77, 1,656,329.06 and 684,027.31

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Solution

The fourth proportional to 1,200,001.77, 1,656,329.06 and 684,027.31 is: 944,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,001.77 : 1,656,329.06 = 684,027.31 : x
  2. Step 2: Convert to fraction form
    1,200,001.77/1,656,329.06 = 684,027.31/x
  3. Step 3: Cross multiply
    1,200,001.77x = 1,656,329.06 × 684,027.31
  4. Step 4: Simplify right side
    1,200,001.77x = 1,132,974,307,883.97
  5. Step 5: Solve for x
    x = 1,132,974,307,883.97/1,200,001.77
  6. Step 6: Final answer
    x = 944,143.86

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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.