Home / 1,001,829.98-1,382,667.15-619,979.78

Finding the Fourth Proportional to 1,001,829.98, 1,382,667.15 and 619,979.78

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Solution

The fourth proportional to 1,001,829.98, 1,382,667.15 and 619,979.78 is: 855,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,829.98 : 1,382,667.15 = 619,979.78 : x
  2. Step 2: Convert to fraction form
    1,001,829.98/1,382,667.15 = 619,979.78/x
  3. Step 3: Cross multiply
    1,001,829.98x = 1,382,667.15 × 619,979.78
  4. Step 4: Simplify right side
    1,001,829.98x = 857,225,675,470.23
  5. Step 5: Solve for x
    x = 857,225,675,470.23/1,001,829.98
  6. Step 6: Final answer
    x = 855,659.84

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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.