Home / 1,236,715.38-1,706,279.82-692,777.70

Finding the Fourth Proportional to 1,236,715.38, 1,706,279.82 and 692,777.70

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Solution

The fourth proportional to 1,236,715.38, 1,706,279.82 and 692,777.70 is: 955,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,715.38 : 1,706,279.82 = 692,777.70 : x
  2. Step 2: Convert to fraction form
    1,236,715.38/1,706,279.82 = 692,777.70/x
  3. Step 3: Cross multiply
    1,236,715.38x = 1,706,279.82 × 692,777.70
  4. Step 4: Simplify right side
    1,236,715.38x = 1,182,072,609,256.01
  5. Step 5: Solve for x
    x = 1,182,072,609,256.01/1,236,715.38
  6. Step 6: Final answer
    x = 955,816.21

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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.