Home / 1,328,026.61-1,992,057.69-417,179.38

Finding the Fourth Proportional to 1,328,026.61, 1,992,057.69 and 417,179.38

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Solution

The fourth proportional to 1,328,026.61, 1,992,057.69 and 417,179.38 is: 625,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,026.61 : 1,992,057.69 = 417,179.38 : x
  2. Step 2: Convert to fraction form
    1,328,026.61/1,992,057.69 = 417,179.38/x
  3. Step 3: Cross multiply
    1,328,026.61x = 1,992,057.69 × 417,179.38
  4. Step 4: Simplify right side
    1,328,026.61x = 831,045,392,038.43
  5. Step 5: Solve for x
    x = 831,045,392,038.43/1,328,026.61
  6. Step 6: Final answer
    x = 625,774.65

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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.