Home / 623,838.86-935,660.68-203,111.90

Finding the Fourth Proportional to 623,838.86, 935,660.68 and 203,111.90

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Solution

The fourth proportional to 623,838.86, 935,660.68 and 203,111.90 is: 304,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,838.86 : 935,660.68 = 203,111.90 : x
  2. Step 2: Convert to fraction form
    623,838.86/935,660.68 = 203,111.90/x
  3. Step 3: Cross multiply
    623,838.86x = 935,660.68 × 203,111.90
  4. Step 4: Simplify right side
    623,838.86x = 190,043,818,470.09
  5. Step 5: Solve for x
    x = 190,043,818,470.09/623,838.86
  6. Step 6: Final answer
    x = 304,636.07

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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.