Home / 905,732.60-1,359,473.70-551,438.60

Finding the Fourth Proportional to 905,732.60, 1,359,473.70 and 551,438.60

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Solution

The fourth proportional to 905,732.60, 1,359,473.70 and 551,438.60 is: 827,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,732.60 : 1,359,473.70 = 551,438.60 : x
  2. Step 2: Convert to fraction form
    905,732.60/1,359,473.70 = 551,438.60/x
  3. Step 3: Cross multiply
    905,732.60x = 1,359,473.70 × 551,438.60
  4. Step 4: Simplify right side
    905,732.60x = 749,666,273,864.82
  5. Step 5: Solve for x
    x = 749,666,273,864.82/905,732.60
  6. Step 6: Final answer
    x = 827,690.51

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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.