Home / 988,051.91-1,363,512.54-535,342.91

Finding the Fourth Proportional to 988,051.91, 1,363,512.54 and 535,342.91

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Solution

The fourth proportional to 988,051.91, 1,363,512.54 and 535,342.91 is: 738,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,051.91 : 1,363,512.54 = 535,342.91 : x
  2. Step 2: Convert to fraction form
    988,051.91/1,363,512.54 = 535,342.91/x
  3. Step 3: Cross multiply
    988,051.91x = 1,363,512.54 × 535,342.91
  4. Step 4: Simplify right side
    988,051.91x = 729,946,770,985.09
  5. Step 5: Solve for x
    x = 729,946,770,985.09/988,051.91
  6. Step 6: Final answer
    x = 738,773.71

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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.