Home / 1,505,668.52-2,077,837.66-817,345.82

Finding the Fourth Proportional to 1,505,668.52, 2,077,837.66 and 817,345.82

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Solution

The fourth proportional to 1,505,668.52, 2,077,837.66 and 817,345.82 is: 1,127,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,668.52 : 2,077,837.66 = 817,345.82 : x
  2. Step 2: Convert to fraction form
    1,505,668.52/2,077,837.66 = 817,345.82/x
  3. Step 3: Cross multiply
    1,505,668.52x = 2,077,837.66 × 817,345.82
  4. Step 4: Simplify right side
    1,505,668.52x = 1,698,311,926,039.58
  5. Step 5: Solve for x
    x = 1,698,311,926,039.58/1,505,668.52
  6. Step 6: Final answer
    x = 1,127,945.43

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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.