Home / 1,712,308.67-2,566,605.87-857,318.34

Finding the Fourth Proportional to 1,712,308.67, 2,566,605.87 and 857,318.34

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Solution

The fourth proportional to 1,712,308.67, 2,566,605.87 and 857,318.34 is: 1,285,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,308.67 : 2,566,605.87 = 857,318.34 : x
  2. Step 2: Convert to fraction form
    1,712,308.67/2,566,605.87 = 857,318.34/x
  3. Step 3: Cross multiply
    1,712,308.67x = 2,566,605.87 × 857,318.34
  4. Step 4: Simplify right side
    1,712,308.67x = 2,200,398,283,902.66
  5. Step 5: Solve for x
    x = 2,200,398,283,902.66/1,712,308.67
  6. Step 6: Final answer
    x = 1,285,047.68

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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.