Home / 1,642,682.76-2,266,878.30-917,540.82

Finding the Fourth Proportional to 1,642,682.76, 2,266,878.30 and 917,540.82

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Solution

The fourth proportional to 1,642,682.76, 2,266,878.30 and 917,540.82 is: 1,266,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,682.76 : 2,266,878.30 = 917,540.82 : x
  2. Step 2: Convert to fraction form
    1,642,682.76/2,266,878.30 = 917,540.82/x
  3. Step 3: Cross multiply
    1,642,682.76x = 2,266,878.30 × 917,540.82
  4. Step 4: Simplify right side
    1,642,682.76x = 2,079,953,374,222.21
  5. Step 5: Solve for x
    x = 2,079,953,374,222.21/1,642,682.76
  6. Step 6: Final answer
    x = 1,266,192.98

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1.5x scale

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.