Home / 1,221,772.73-1,685,617.56-705,511.94

Finding the Fourth Proportional to 1,221,772.73, 1,685,617.56 and 705,511.94

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Solution

The fourth proportional to 1,221,772.73, 1,685,617.56 and 705,511.94 is: 973,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,772.73 : 1,685,617.56 = 705,511.94 : x
  2. Step 2: Convert to fraction form
    1,221,772.73/1,685,617.56 = 705,511.94/x
  3. Step 3: Cross multiply
    1,221,772.73x = 1,685,617.56 × 705,511.94
  4. Step 4: Simplify right side
    1,221,772.73x = 1,189,223,306,425.58
  5. Step 5: Solve for x
    x = 1,189,223,306,425.58/1,221,772.73
  6. Step 6: Final answer
    x = 973,358.86

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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.