Home / 1,220,610.76-1,684,442.58-676,744.84

Finding the Fourth Proportional to 1,220,610.76, 1,684,442.58 and 676,744.84

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Solution

The fourth proportional to 1,220,610.76, 1,684,442.58 and 676,744.84 is: 933,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,610.76 : 1,684,442.58 = 676,744.84 : x
  2. Step 2: Convert to fraction form
    1,220,610.76/1,684,442.58 = 676,744.84/x
  3. Step 3: Cross multiply
    1,220,610.76x = 1,684,442.58 × 676,744.84
  4. Step 4: Simplify right side
    1,220,610.76x = 1,139,937,824,291.29
  5. Step 5: Solve for x
    x = 1,139,937,824,291.29/1,220,610.76
  6. Step 6: Final answer
    x = 933,907.73

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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.