Home / 907,809.38-1,361,893.28-268,124.03

Finding the Fourth Proportional to 907,809.38, 1,361,893.28 and 268,124.03

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Solution

The fourth proportional to 907,809.38, 1,361,893.28 and 268,124.03 is: 402,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,809.38 : 1,361,893.28 = 268,124.03 : x
  2. Step 2: Convert to fraction form
    907,809.38/1,361,893.28 = 268,124.03/x
  3. Step 3: Cross multiply
    907,809.38x = 1,361,893.28 × 268,124.03
  4. Step 4: Simplify right side
    907,809.38x = 365,156,314,663.52
  5. Step 5: Solve for x
    x = 365,156,314,663.52/907,809.38
  6. Step 6: Final answer
    x = 402,238.98

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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.