Home / 1,761,807.45-2,642,885.60-563,428.65

Finding the Fourth Proportional to 1,761,807.45, 2,642,885.60 and 563,428.65

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Solution

The fourth proportional to 1,761,807.45, 2,642,885.60 and 563,428.65 is: 845,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,807.45 : 2,642,885.60 = 563,428.65 : x
  2. Step 2: Convert to fraction form
    1,761,807.45/2,642,885.60 = 563,428.65/x
  3. Step 3: Cross multiply
    1,761,807.45x = 2,642,885.60 × 563,428.65
  4. Step 4: Simplify right side
    1,761,807.45x = 1,489,077,462,895.30
  5. Step 5: Solve for x
    x = 1,489,077,462,895.30/1,761,807.45
  6. Step 6: Final answer
    x = 845,198.75

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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.