Home / 1,687,801.10-2,531,428.77-623,344.46

Finding the Fourth Proportional to 1,687,801.10, 2,531,428.77 and 623,344.46

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Solution

The fourth proportional to 1,687,801.10, 2,531,428.77 and 623,344.46 is: 934,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,801.10 : 2,531,428.77 = 623,344.46 : x
  2. Step 2: Convert to fraction form
    1,687,801.10/2,531,428.77 = 623,344.46/x
  3. Step 3: Cross multiply
    1,687,801.10x = 2,531,428.77 × 623,344.46
  4. Step 4: Simplify right side
    1,687,801.10x = 1,577,952,099,664.11
  5. Step 5: Solve for x
    x = 1,577,952,099,664.11/1,687,801.10
  6. Step 6: Final answer
    x = 934,915.91

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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.