Home / 1,007,145.07-1,389,860.16-548,262.96

Finding the Fourth Proportional to 1,007,145.07, 1,389,860.16 and 548,262.96

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Solution

The fourth proportional to 1,007,145.07, 1,389,860.16 and 548,262.96 is: 756,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,145.07 : 1,389,860.16 = 548,262.96 : x
  2. Step 2: Convert to fraction form
    1,007,145.07/1,389,860.16 = 548,262.96/x
  3. Step 3: Cross multiply
    1,007,145.07x = 1,389,860.16 × 548,262.96
  4. Step 4: Simplify right side
    1,007,145.07x = 762,008,845,857.68
  5. Step 5: Solve for x
    x = 762,008,845,857.68/1,007,145.07
  6. Step 6: Final answer
    x = 756,602.86

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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.