Home / 1,505,717.16-2,077,904.64-817,394.34

Finding the Fourth Proportional to 1,505,717.16, 2,077,904.64 and 817,394.34

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Solution

The fourth proportional to 1,505,717.16, 2,077,904.64 and 817,394.34 is: 1,128,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,717.16 : 2,077,904.64 = 817,394.34 : x
  2. Step 2: Convert to fraction form
    1,505,717.16/2,077,904.64 = 817,394.34/x
  3. Step 3: Cross multiply
    1,505,717.16x = 2,077,904.64 × 817,394.34
  4. Step 4: Simplify right side
    1,505,717.16x = 1,698,467,491,795.74
  5. Step 5: Solve for x
    x = 1,698,467,491,795.74/1,505,717.16
  6. Step 6: Final answer
    x = 1,128,012.31

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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.