Home / 938,536.90-1,296,250.14-636,206.02

Finding the Fourth Proportional to 938,536.90, 1,296,250.14 and 636,206.02

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Solution

The fourth proportional to 938,536.90, 1,296,250.14 and 636,206.02 is: 878,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,536.90 : 1,296,250.14 = 636,206.02 : x
  2. Step 2: Convert to fraction form
    938,536.90/1,296,250.14 = 636,206.02/x
  3. Step 3: Cross multiply
    938,536.90x = 1,296,250.14 × 636,206.02
  4. Step 4: Simplify right side
    938,536.90x = 824,682,142,493.84
  5. Step 5: Solve for x
    x = 824,682,142,493.84/938,536.90
  6. Step 6: Final answer
    x = 878,689.10

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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.