Home / 996,584.16-1,375,266.96-543,878.40

Finding the Fourth Proportional to 996,584.16, 1,375,266.96 and 543,878.40

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Solution

The fourth proportional to 996,584.16, 1,375,266.96 and 543,878.40 is: 750,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,584.16 : 1,375,266.96 = 543,878.40 : x
  2. Step 2: Convert to fraction form
    996,584.16/1,375,266.96 = 543,878.40/x
  3. Step 3: Cross multiply
    996,584.16x = 1,375,266.96 × 543,878.40
  4. Step 4: Simplify right side
    996,584.16x = 747,977,993,777.66
  5. Step 5: Solve for x
    x = 747,977,993,777.66/996,584.16
  6. Step 6: Final answer
    x = 750,541.72

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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.