Home / 988,618.44-1,364,302.26-535,909.32

Finding the Fourth Proportional to 988,618.44, 1,364,302.26 and 535,909.32

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Solution

The fourth proportional to 988,618.44, 1,364,302.26 and 535,909.32 is: 739,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,618.44 : 1,364,302.26 = 535,909.32 : x
  2. Step 2: Convert to fraction form
    988,618.44/1,364,302.26 = 535,909.32/x
  3. Step 3: Cross multiply
    988,618.44x = 1,364,302.26 × 535,909.32
  4. Step 4: Simplify right side
    988,618.44x = 731,142,296,431.06
  5. Step 5: Solve for x
    x = 731,142,296,431.06/988,618.44
  6. Step 6: Final answer
    x = 739,559.64

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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.