Home / 1,284,998.10-1,927,497.15-687,801.30

Finding the Fourth Proportional to 1,284,998.10, 1,927,497.15 and 687,801.30

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Solution

The fourth proportional to 1,284,998.10, 1,927,497.15 and 687,801.30 is: 1,031,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,998.10 : 1,927,497.15 = 687,801.30 : x
  2. Step 2: Convert to fraction form
    1,284,998.10/1,927,497.15 = 687,801.30/x
  3. Step 3: Cross multiply
    1,284,998.10x = 1,927,497.15 × 687,801.30
  4. Step 4: Simplify right side
    1,284,998.10x = 1,325,735,045,516.30
  5. Step 5: Solve for x
    x = 1,325,735,045,516.30/1,284,998.10
  6. Step 6: Final answer
    x = 1,031,701.95

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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.