Home / 1,687,218.60-2,531,049.90-623,008.20

Finding the Fourth Proportional to 1,687,218.60, 2,531,049.90 and 623,008.20

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Solution

The fourth proportional to 1,687,218.60, 2,531,049.90 and 623,008.20 is: 934,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,218.60 : 2,531,049.90 = 623,008.20 : x
  2. Step 2: Convert to fraction form
    1,687,218.60/2,531,049.90 = 623,008.20/x
  3. Step 3: Cross multiply
    1,687,218.60x = 2,531,049.90 × 623,008.20
  4. Step 4: Simplify right side
    1,687,218.60x = 1,576,864,842,309.18
  5. Step 5: Solve for x
    x = 1,576,864,842,309.18/1,687,218.60
  6. Step 6: Final answer
    x = 934,594.27

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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.