Home / 1,227,928.93-1,842,142.53-386,284.93

Finding the Fourth Proportional to 1,227,928.93, 1,842,142.53 and 386,284.93

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Solution

The fourth proportional to 1,227,928.93, 1,842,142.53 and 386,284.93 is: 579,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,928.93 : 1,842,142.53 = 386,284.93 : x
  2. Step 2: Convert to fraction form
    1,227,928.93/1,842,142.53 = 386,284.93/x
  3. Step 3: Cross multiply
    1,227,928.93x = 1,842,142.53 × 386,284.93
  4. Step 4: Simplify right side
    1,227,928.93x = 711,591,898,251.07
  5. Step 5: Solve for x
    x = 711,591,898,251.07/1,227,928.93
  6. Step 6: Final answer
    x = 579,505.77

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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.