Home / 667,547.52-1,001,382.84-218,270.69

Finding the Fourth Proportional to 667,547.52, 1,001,382.84 and 218,270.69

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Solution

The fourth proportional to 667,547.52, 1,001,382.84 and 218,270.69 is: 327,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,547.52 : 1,001,382.84 = 218,270.69 : x
  2. Step 2: Convert to fraction form
    667,547.52/1,001,382.84 = 218,270.69/x
  3. Step 3: Cross multiply
    667,547.52x = 1,001,382.84 × 218,270.69
  4. Step 4: Simplify right side
    667,547.52x = 218,572,525,944.42
  5. Step 5: Solve for x
    x = 218,572,525,944.42/667,547.52
  6. Step 6: Final answer
    x = 327,426.17

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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.