Home / 941,031.39-1,298,631.24-511,311.53

Finding the Fourth Proportional to 941,031.39, 1,298,631.24 and 511,311.53

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Solution

The fourth proportional to 941,031.39, 1,298,631.24 and 511,311.53 is: 705,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,031.39 : 1,298,631.24 = 511,311.53 : x
  2. Step 2: Convert to fraction form
    941,031.39/1,298,631.24 = 511,311.53/x
  3. Step 3: Cross multiply
    941,031.39x = 1,298,631.24 × 511,311.53
  4. Step 4: Simplify right side
    941,031.39x = 664,005,119,737.04
  5. Step 5: Solve for x
    x = 664,005,119,737.04/941,031.39
  6. Step 6: Final answer
    x = 705,614.21

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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.