Home / 1,224,033.35-1,689,321.36-740,602.47

Finding the Fourth Proportional to 1,224,033.35, 1,689,321.36 and 740,602.47

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Solution

The fourth proportional to 1,224,033.35, 1,689,321.36 and 740,602.47 is: 1,022,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,033.35 : 1,689,321.36 = 740,602.47 : x
  2. Step 2: Convert to fraction form
    1,224,033.35/1,689,321.36 = 740,602.47/x
  3. Step 3: Cross multiply
    1,224,033.35x = 1,689,321.36 × 740,602.47
  4. Step 4: Simplify right side
    1,224,033.35x = 1,251,115,569,988.25
  5. Step 5: Solve for x
    x = 1,251,115,569,988.25/1,224,033.35
  6. Step 6: Final answer
    x = 1,022,125.39

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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.