Home / 976,732.16-1,467,343.64-689,205.56

Finding the Fourth Proportional to 976,732.16, 1,467,343.64 and 689,205.56

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Solution

The fourth proportional to 976,732.16, 1,467,343.64 and 689,205.56 is: 1,035,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,732.16 : 1,467,343.64 = 689,205.56 : x
  2. Step 2: Convert to fraction form
    976,732.16/1,467,343.64 = 689,205.56/x
  3. Step 3: Cross multiply
    976,732.16x = 1,467,343.64 × 689,205.56
  4. Step 4: Simplify right side
    976,732.16x = 1,011,301,395,118.64
  5. Step 5: Solve for x
    x = 1,011,301,395,118.64/976,732.16
  6. Step 6: Final answer
    x = 1,035,392.75

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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.