Home / 1,205,523.81-1,663,501.59-722,076.53

Finding the Fourth Proportional to 1,205,523.81, 1,663,501.59 and 722,076.53

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Solution

The fourth proportional to 1,205,523.81, 1,663,501.59 and 722,076.53 is: 996,392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,523.81 : 1,663,501.59 = 722,076.53 : x
  2. Step 2: Convert to fraction form
    1,205,523.81/1,663,501.59 = 722,076.53/x
  3. Step 3: Cross multiply
    1,205,523.81x = 1,663,501.59 × 722,076.53
  4. Step 4: Simplify right side
    1,205,523.81x = 1,201,175,447,439.17
  5. Step 5: Solve for x
    x = 1,201,175,447,439.17/1,205,523.81
  6. Step 6: Final answer
    x = 996,392.97

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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.