Home / 2,475,109.89-3,712,667.73-678,008.79

Finding the Fourth Proportional to 2,475,109.89, 3,712,667.73 and 678,008.79

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Solution

The fourth proportional to 2,475,109.89, 3,712,667.73 and 678,008.79 is: 1,017,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,109.89 : 3,712,667.73 = 678,008.79 : x
  2. Step 2: Convert to fraction form
    2,475,109.89/3,712,667.73 = 678,008.79/x
  3. Step 3: Cross multiply
    2,475,109.89x = 3,712,667.73 × 678,008.79
  4. Step 4: Simplify right side
    2,475,109.89x = 2,517,221,355,289.35
  5. Step 5: Solve for x
    x = 2,517,221,355,289.35/2,475,109.89
  6. Step 6: Final answer
    x = 1,017,013.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.