Home / 992,546.64-1,369,718.28-539,839.44

Finding the Fourth Proportional to 992,546.64, 1,369,718.28 and 539,839.44

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Solution

The fourth proportional to 992,546.64, 1,369,718.28 and 539,839.44 is: 744,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,546.64 : 1,369,718.28 = 539,839.44 : x
  2. Step 2: Convert to fraction form
    992,546.64/1,369,718.28 = 539,839.44/x
  3. Step 3: Cross multiply
    992,546.64x = 1,369,718.28 × 539,839.44
  4. Step 4: Simplify right side
    992,546.64x = 739,427,949,232.96
  5. Step 5: Solve for x
    x = 739,427,949,232.96/992,546.64
  6. Step 6: Final answer
    x = 744,980.56

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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.