Home / 1,318,601.73-1,819,681.36-714,989.73

Finding the Fourth Proportional to 1,318,601.73, 1,819,681.36 and 714,989.73

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Solution

The fourth proportional to 1,318,601.73, 1,819,681.36 and 714,989.73 is: 986,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,601.73 : 1,819,681.36 = 714,989.73 : x
  2. Step 2: Convert to fraction form
    1,318,601.73/1,819,681.36 = 714,989.73/x
  3. Step 3: Cross multiply
    1,318,601.73x = 1,819,681.36 × 714,989.73
  4. Step 4: Simplify right side
    1,318,601.73x = 1,301,053,484,272.43
  5. Step 5: Solve for x
    x = 1,301,053,484,272.43/1,318,601.73
  6. Step 6: Final answer
    x = 986,691.78

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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.