Home / 1,022,825.72-1,534,090.66-312,663.08

Finding the Fourth Proportional to 1,022,825.72, 1,534,090.66 and 312,663.08

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Solution

The fourth proportional to 1,022,825.72, 1,534,090.66 and 312,663.08 is: 468,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,825.72 : 1,534,090.66 = 312,663.08 : x
  2. Step 2: Convert to fraction form
    1,022,825.72/1,534,090.66 = 312,663.08/x
  3. Step 3: Cross multiply
    1,022,825.72x = 1,534,090.66 × 312,663.08
  4. Step 4: Simplify right side
    1,022,825.72x = 479,653,510,754.83
  5. Step 5: Solve for x
    x = 479,653,510,754.83/1,022,825.72
  6. Step 6: Final answer
    x = 468,949.40

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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.