Home / 1,687,259.60-2,531,111.40-623,049.20

Finding the Fourth Proportional to 1,687,259.60, 2,531,111.40 and 623,049.20

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Solution

The fourth proportional to 1,687,259.60, 2,531,111.40 and 623,049.20 is: 934,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,259.60 : 2,531,111.40 = 623,049.20 : x
  2. Step 2: Convert to fraction form
    1,687,259.60/2,531,111.40 = 623,049.20/x
  3. Step 3: Cross multiply
    1,687,259.60x = 2,531,111.40 × 623,049.20
  4. Step 4: Simplify right side
    1,687,259.60x = 1,577,006,932,880.88
  5. Step 5: Solve for x
    x = 1,577,006,932,880.88/1,687,259.60
  6. Step 6: Final answer
    x = 934,655.78

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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.