Home / 931,753.92-1,397,631.36-743,885.76

Finding the Fourth Proportional to 931,753.92, 1,397,631.36 and 743,885.76

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Solution

The fourth proportional to 931,753.92, 1,397,631.36 and 743,885.76 is: 1,115,829.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,753.92 : 1,397,631.36 = 743,885.76 : x
  2. Step 2: Convert to fraction form
    931,753.92/1,397,631.36 = 743,885.76/x
  3. Step 3: Cross multiply
    931,753.92x = 1,397,631.36 × 743,885.76
  4. Step 4: Simplify right side
    931,753.92x = 1,039,678,066,433.43
  5. Step 5: Solve for x
    x = 1,039,678,066,433.43/931,753.92
  6. Step 6: Final answer
    x = 1,115,829.02

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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.