Home / 965,995.37-1,333,079.56-530,431.53

Finding the Fourth Proportional to 965,995.37, 1,333,079.56 and 530,431.53

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Solution

The fourth proportional to 965,995.37, 1,333,079.56 and 530,431.53 is: 731,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,995.37 : 1,333,079.56 = 530,431.53 : x
  2. Step 2: Convert to fraction form
    965,995.37/1,333,079.56 = 530,431.53/x
  3. Step 3: Cross multiply
    965,995.37x = 1,333,079.56 × 530,431.53
  4. Step 4: Simplify right side
    965,995.37x = 707,107,427,970.37
  5. Step 5: Solve for x
    x = 707,107,427,970.37/965,995.37
  6. Step 6: Final answer
    x = 731,998.78

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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.