Home / 1,529,331.17-2,110,442.31-831,596.76

Finding the Fourth Proportional to 1,529,331.17, 2,110,442.31 and 831,596.76

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Solution

The fourth proportional to 1,529,331.17, 2,110,442.31 and 831,596.76 is: 1,147,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,331.17 : 2,110,442.31 = 831,596.76 : x
  2. Step 2: Convert to fraction form
    1,529,331.17/2,110,442.31 = 831,596.76/x
  3. Step 3: Cross multiply
    1,529,331.17x = 2,110,442.31 × 831,596.76
  4. Step 4: Simplify right side
    1,529,331.17x = 1,755,036,987,162.92
  5. Step 5: Solve for x
    x = 1,755,036,987,162.92/1,529,331.17
  6. Step 6: Final answer
    x = 1,147,584.66

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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.