Home / 1,403,364.76-1,936,632.09-814,718.82

Finding the Fourth Proportional to 1,403,364.76, 1,936,632.09 and 814,718.82

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Solution

The fourth proportional to 1,403,364.76, 1,936,632.09 and 814,718.82 is: 1,124,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,364.76 : 1,936,632.09 = 814,718.82 : x
  2. Step 2: Convert to fraction form
    1,403,364.76/1,936,632.09 = 814,718.82/x
  3. Step 3: Cross multiply
    1,403,364.76x = 1,936,632.09 × 814,718.82
  4. Step 4: Simplify right side
    1,403,364.76x = 1,577,810,616,923.01
  5. Step 5: Solve for x
    x = 1,577,810,616,923.01/1,403,364.76
  6. Step 6: Final answer
    x = 1,124,305.42

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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.