Home / 1,696,254.92-2,340,849.87-921,885.75

Finding the Fourth Proportional to 1,696,254.92, 2,340,849.87 and 921,885.75

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Solution

The fourth proportional to 1,696,254.92, 2,340,849.87 and 921,885.75 is: 1,272,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,254.92 : 2,340,849.87 = 921,885.75 : x
  2. Step 2: Convert to fraction form
    1,696,254.92/2,340,849.87 = 921,885.75/x
  3. Step 3: Cross multiply
    1,696,254.92x = 2,340,849.87 × 921,885.75
  4. Step 4: Simplify right side
    1,696,254.92x = 2,157,996,138,042.35
  5. Step 5: Solve for x
    x = 2,157,996,138,042.35/1,696,254.92
  6. Step 6: Final answer
    x = 1,272,212.16

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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.