Home / 996,403.48-1,375,069.98-543,719.32

Finding the Fourth Proportional to 996,403.48, 1,375,069.98 and 543,719.32

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Solution

The fourth proportional to 996,403.48, 1,375,069.98 and 543,719.32 is: 750,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,403.48 : 1,375,069.98 = 543,719.32 : x
  2. Step 2: Convert to fraction form
    996,403.48/1,375,069.98 = 543,719.32/x
  3. Step 3: Cross multiply
    996,403.48x = 1,375,069.98 × 543,719.32
  4. Step 4: Simplify right side
    996,403.48x = 747,652,114,478.01
  5. Step 5: Solve for x
    x = 747,652,114,478.01/996,403.48
  6. Step 6: Final answer
    x = 750,350.77

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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.