Home / 1,240,979.92-1,712,365.80-697,011.56

Finding the Fourth Proportional to 1,240,979.92, 1,712,365.80 and 697,011.56

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Solution

The fourth proportional to 1,240,979.92, 1,712,365.80 and 697,011.56 is: 961,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,979.92 : 1,712,365.80 = 697,011.56 : x
  2. Step 2: Convert to fraction form
    1,240,979.92/1,712,365.80 = 697,011.56/x
  3. Step 3: Cross multiply
    1,240,979.92x = 1,712,365.80 × 697,011.56
  4. Step 4: Simplify right side
    1,240,979.92x = 1,193,538,757,548.65
  5. Step 5: Solve for x
    x = 1,193,538,757,548.65/1,240,979.92
  6. Step 6: Final answer
    x = 961,771.21

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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.