Home / 1,002,076.02-1,382,859.88-543,188.75

Finding the Fourth Proportional to 1,002,076.02, 1,382,859.88 and 543,188.75

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Solution

The fourth proportional to 1,002,076.02, 1,382,859.88 and 543,188.75 is: 749,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,076.02 : 1,382,859.88 = 543,188.75 : x
  2. Step 2: Convert to fraction form
    1,002,076.02/1,382,859.88 = 543,188.75/x
  3. Step 3: Cross multiply
    1,002,076.02x = 1,382,859.88 × 543,188.75
  4. Step 4: Simplify right side
    1,002,076.02x = 751,153,921,370.08
  5. Step 5: Solve for x
    x = 751,153,921,370.08/1,002,076.02
  6. Step 6: Final answer
    x = 749,597.74

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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.