Home / 1,505,362.64-2,077,402.39-817,034.42

Finding the Fourth Proportional to 1,505,362.64, 2,077,402.39 and 817,034.42

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Solution

The fourth proportional to 1,505,362.64, 2,077,402.39 and 817,034.42 is: 1,127,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,362.64 : 2,077,402.39 = 817,034.42 : x
  2. Step 2: Convert to fraction form
    1,505,362.64/2,077,402.39 = 817,034.42/x
  3. Step 3: Cross multiply
    1,505,362.64x = 2,077,402.39 × 817,034.42
  4. Step 4: Simplify right side
    1,505,362.64x = 1,697,309,259,971.18
  5. Step 5: Solve for x
    x = 1,697,309,259,971.18/1,505,362.64
  6. Step 6: Final answer
    x = 1,127,508.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.