Home / 935,194.89-1,290,569.19-505,473.69

Finding the Fourth Proportional to 935,194.89, 1,290,569.19 and 505,473.69

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Solution

The fourth proportional to 935,194.89, 1,290,569.19 and 505,473.69 is: 697,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,194.89 : 1,290,569.19 = 505,473.69 : x
  2. Step 2: Convert to fraction form
    935,194.89/1,290,569.19 = 505,473.69/x
  3. Step 3: Cross multiply
    935,194.89x = 1,290,569.19 × 505,473.69
  4. Step 4: Simplify right side
    935,194.89x = 652,348,770,669.61
  5. Step 5: Solve for x
    x = 652,348,770,669.61/935,194.89
  6. Step 6: Final answer
    x = 697,553.82

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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.