Home / 996,441.75-1,493,663.36-516,400.72

Finding the Fourth Proportional to 996,441.75, 1,493,663.36 and 516,400.72

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Solution

The fourth proportional to 996,441.75, 1,493,663.36 and 516,400.72 is: 774,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,441.75 : 1,493,663.36 = 516,400.72 : x
  2. Step 2: Convert to fraction form
    996,441.75/1,493,663.36 = 516,400.72/x
  3. Step 3: Cross multiply
    996,441.75x = 1,493,663.36 × 516,400.72
  4. Step 4: Simplify right side
    996,441.75x = 771,328,828,225.46
  5. Step 5: Solve for x
    x = 771,328,828,225.46/996,441.75
  6. Step 6: Final answer
    x = 774,083.21

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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.