Home / 1,666,553.32-2,299,836.43-931,506.56

Finding the Fourth Proportional to 1,666,553.32, 2,299,836.43 and 931,506.56

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Solution

The fourth proportional to 1,666,553.32, 2,299,836.43 and 931,506.56 is: 1,285,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,553.32 : 2,299,836.43 = 931,506.56 : x
  2. Step 2: Convert to fraction form
    1,666,553.32/2,299,836.43 = 931,506.56/x
  3. Step 3: Cross multiply
    1,666,553.32x = 2,299,836.43 × 931,506.56
  4. Step 4: Simplify right side
    1,666,553.32x = 2,142,312,721,471.98
  5. Step 5: Solve for x
    x = 2,142,312,721,471.98/1,666,553.32
  6. Step 6: Final answer
    x = 1,285,475.06

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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.