Home / 988,298.06-1,363,997.58-625,755.56

Finding the Fourth Proportional to 988,298.06, 1,363,997.58 and 625,755.56

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Solution

The fourth proportional to 988,298.06, 1,363,997.58 and 625,755.56 is: 863,635.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,298.06 : 1,363,997.58 = 625,755.56 : x
  2. Step 2: Convert to fraction form
    988,298.06/1,363,997.58 = 625,755.56/x
  3. Step 3: Cross multiply
    988,298.06x = 1,363,997.58 × 625,755.56
  4. Step 4: Simplify right side
    988,298.06x = 853,529,069,511.55
  5. Step 5: Solve for x
    x = 853,529,069,511.55/988,298.06
  6. Step 6: Final answer
    x = 863,635.28

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1.5x scale

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.