Home / 1,306,816.07-1,960,218.63-508,654.22

Finding the Fourth Proportional to 1,306,816.07, 1,960,218.63 and 508,654.22

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Solution

The fourth proportional to 1,306,816.07, 1,960,218.63 and 508,654.22 is: 762,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,816.07 : 1,960,218.63 = 508,654.22 : x
  2. Step 2: Convert to fraction form
    1,306,816.07/1,960,218.63 = 508,654.22/x
  3. Step 3: Cross multiply
    1,306,816.07x = 1,960,218.63 × 508,654.22
  4. Step 4: Simplify right side
    1,306,816.07x = 997,073,468,471.03
  5. Step 5: Solve for x
    x = 997,073,468,471.03/1,306,816.07
  6. Step 6: Final answer
    x = 762,979.19

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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.