Home / 1,642,642.59-2,266,822.64-917,500.89

Finding the Fourth Proportional to 1,642,642.59, 2,266,822.64 and 917,500.89

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Solution

The fourth proportional to 1,642,642.59, 2,266,822.64 and 917,500.89 is: 1,266,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,642.59 : 2,266,822.64 = 917,500.89 : x
  2. Step 2: Convert to fraction form
    1,642,642.59/2,266,822.64 = 917,500.89/x
  3. Step 3: Cross multiply
    1,642,642.59x = 2,266,822.64 × 917,500.89
  4. Step 4: Simplify right side
    1,642,642.59x = 2,079,811,779,417.59
  5. Step 5: Solve for x
    x = 2,079,811,779,417.59/1,642,642.59
  6. Step 6: Final answer
    x = 1,266,137.74

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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.