Home / 1,505,567.09-2,077,684.43-817,238.55

Finding the Fourth Proportional to 1,505,567.09, 2,077,684.43 and 817,238.55

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Solution

The fourth proportional to 1,505,567.09, 2,077,684.43 and 817,238.55 is: 1,127,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,567.09 : 2,077,684.43 = 817,238.55 : x
  2. Step 2: Convert to fraction form
    1,505,567.09/2,077,684.43 = 817,238.55/x
  3. Step 3: Cross multiply
    1,505,567.09x = 2,077,684.43 × 817,238.55
  4. Step 4: Simplify right side
    1,505,567.09x = 1,697,963,806,844.58
  5. Step 5: Solve for x
    x = 1,697,963,806,844.58/1,505,567.09
  6. Step 6: Final answer
    x = 1,127,790.20

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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.