Home / 993,755.40-1,490,633.10-657,176.10

Finding the Fourth Proportional to 993,755.40, 1,490,633.10 and 657,176.10

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Solution

The fourth proportional to 993,755.40, 1,490,633.10 and 657,176.10 is: 985,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,755.40 : 1,490,633.10 = 657,176.10 : x
  2. Step 2: Convert to fraction form
    993,755.40/1,490,633.10 = 657,176.10/x
  3. Step 3: Cross multiply
    993,755.40x = 1,490,633.10 × 657,176.10
  4. Step 4: Simplify right side
    993,755.40x = 979,608,447,188.91
  5. Step 5: Solve for x
    x = 979,608,447,188.91/993,755.40
  6. Step 6: Final answer
    x = 985,764.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.