Home / 1,505,668.14-2,077,823.67-817,339.66

Finding the Fourth Proportional to 1,505,668.14, 2,077,823.67 and 817,339.66

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Solution

The fourth proportional to 1,505,668.14, 2,077,823.67 and 817,339.66 is: 1,127,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,668.14 : 2,077,823.67 = 817,339.66 : x
  2. Step 2: Convert to fraction form
    1,505,668.14/2,077,823.67 = 817,339.66/x
  3. Step 3: Cross multiply
    1,505,668.14x = 2,077,823.67 × 817,339.66
  4. Step 4: Simplify right side
    1,505,668.14x = 1,698,287,691,977.75
  5. Step 5: Solve for x
    x = 1,698,287,691,977.75/1,505,668.14
  6. Step 6: Final answer
    x = 1,127,929.62

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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.