Home / 1,212,186.04-1,818,288.14-538,086.12

Finding the Fourth Proportional to 1,212,186.04, 1,818,288.14 and 538,086.12

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Solution

The fourth proportional to 1,212,186.04, 1,818,288.14 and 538,086.12 is: 807,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,186.04 : 1,818,288.14 = 538,086.12 : x
  2. Step 2: Convert to fraction form
    1,212,186.04/1,818,288.14 = 538,086.12/x
  3. Step 3: Cross multiply
    1,212,186.04x = 1,818,288.14 × 538,086.12
  4. Step 4: Simplify right side
    1,212,186.04x = 978,395,610,294.62
  5. Step 5: Solve for x
    x = 978,395,610,294.62/1,212,186.04
  6. Step 6: Final answer
    x = 807,133.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.