Home / 1,284,419.42-1,772,557.14-711,459.52

Finding the Fourth Proportional to 1,284,419.42, 1,772,557.14 and 711,459.52

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Solution

The fourth proportional to 1,284,419.42, 1,772,557.14 and 711,459.52 is: 981,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,419.42 : 1,772,557.14 = 711,459.52 : x
  2. Step 2: Convert to fraction form
    1,284,419.42/1,772,557.14 = 711,459.52/x
  3. Step 3: Cross multiply
    1,284,419.42x = 1,772,557.14 × 711,459.52
  4. Step 4: Simplify right side
    1,284,419.42x = 1,261,102,651,996.97
  5. Step 5: Solve for x
    x = 1,261,102,651,996.97/1,284,419.42
  6. Step 6: Final answer
    x = 981,846.45

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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.