Home / 1,261,212.98-1,740,530.61-710,118.45

Finding the Fourth Proportional to 1,261,212.98, 1,740,530.61 and 710,118.45

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Solution

The fourth proportional to 1,261,212.98, 1,740,530.61 and 710,118.45 is: 979,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,212.98 : 1,740,530.61 = 710,118.45 : x
  2. Step 2: Convert to fraction form
    1,261,212.98/1,740,530.61 = 710,118.45/x
  3. Step 3: Cross multiply
    1,261,212.98x = 1,740,530.61 × 710,118.45
  4. Step 4: Simplify right side
    1,261,212.98x = 1,235,982,898,950.75
  5. Step 5: Solve for x
    x = 1,235,982,898,950.75/1,261,212.98
  6. Step 6: Final answer
    x = 979,995.39

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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.