Home / 1,636,713.61-2,453,495.77-838,371.13

Finding the Fourth Proportional to 1,636,713.61, 2,453,495.77 and 838,371.13

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Solution

The fourth proportional to 1,636,713.61, 2,453,495.77 and 838,371.13 is: 1,256,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,713.61 : 2,453,495.77 = 838,371.13 : x
  2. Step 2: Convert to fraction form
    1,636,713.61/2,453,495.77 = 838,371.13/x
  3. Step 3: Cross multiply
    1,636,713.61x = 2,453,495.77 × 838,371.13
  4. Step 4: Simplify right side
    1,636,713.61x = 2,056,940,021,145.12
  5. Step 5: Solve for x
    x = 2,056,940,021,145.12/1,636,713.61
  6. Step 6: Final answer
    x = 1,256,750.12

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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.