Home / 1,411,246.80-1,947,687.53-838,289.25

Finding the Fourth Proportional to 1,411,246.80, 1,947,687.53 and 838,289.25

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Solution

The fourth proportional to 1,411,246.80, 1,947,687.53 and 838,289.25 is: 1,156,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,246.80 : 1,947,687.53 = 838,289.25 : x
  2. Step 2: Convert to fraction form
    1,411,246.80/1,947,687.53 = 838,289.25/x
  3. Step 3: Cross multiply
    1,411,246.80x = 1,947,687.53 × 838,289.25
  4. Step 4: Simplify right side
    1,411,246.80x = 1,632,725,514,566.61
  5. Step 5: Solve for x
    x = 1,632,725,514,566.61/1,411,246.80
  6. Step 6: Final answer
    x = 1,156,938.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.