Home / 1,677,636.77-2,516,828.76-612,677.12

Finding the Fourth Proportional to 1,677,636.77, 2,516,828.76 and 612,677.12

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Solution

The fourth proportional to 1,677,636.77, 2,516,828.76 and 612,677.12 is: 919,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,636.77 : 2,516,828.76 = 612,677.12 : x
  2. Step 2: Convert to fraction form
    1,677,636.77/2,516,828.76 = 612,677.12/x
  3. Step 3: Cross multiply
    1,677,636.77x = 2,516,828.76 × 612,677.12
  4. Step 4: Simplify right side
    1,677,636.77x = 1,542,003,383,625.83
  5. Step 5: Solve for x
    x = 1,542,003,383,625.83/1,677,636.77
  6. Step 6: Final answer
    x = 919,152.12

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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.