Home / 1,687,808.60-2,531,440.02-623,351.96

Finding the Fourth Proportional to 1,687,808.60, 2,531,440.02 and 623,351.96

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Solution

The fourth proportional to 1,687,808.60, 2,531,440.02 and 623,351.96 is: 934,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,808.60 : 2,531,440.02 = 623,351.96 : x
  2. Step 2: Convert to fraction form
    1,687,808.60/2,531,440.02 = 623,351.96/x
  3. Step 3: Cross multiply
    1,687,808.60x = 2,531,440.02 × 623,351.96
  4. Step 4: Simplify right side
    1,687,808.60x = 1,577,978,098,089.44
  5. Step 5: Solve for x
    x = 1,577,978,098,089.44/1,687,808.60
  6. Step 6: Final answer
    x = 934,927.16

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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.