Home / 1,687,876.84-2,530,998.78-623,420.20

Finding the Fourth Proportional to 1,687,876.84, 2,530,998.78 and 623,420.20

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Solution

The fourth proportional to 1,687,876.84, 2,530,998.78 and 623,420.20 is: 934,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,876.84 : 2,530,998.78 = 623,420.20 : x
  2. Step 2: Convert to fraction form
    1,687,876.84/2,530,998.78 = 623,420.20/x
  3. Step 3: Cross multiply
    1,687,876.84x = 2,530,998.78 × 623,420.20
  4. Step 4: Simplify right side
    1,687,876.84x = 1,577,875,765,627.36
  5. Step 5: Solve for x
    x = 1,577,875,765,627.36/1,687,876.84
  6. Step 6: Final answer
    x = 934,828.73

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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.