Home / 513,344.08-769,957.30-134,301.40

Finding the Fourth Proportional to 513,344.08, 769,957.30 and 134,301.40

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Solution

The fourth proportional to 513,344.08, 769,957.30 and 134,301.40 is: 201,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,344.08 : 769,957.30 = 134,301.40 : x
  2. Step 2: Convert to fraction form
    513,344.08/769,957.30 = 134,301.40/x
  3. Step 3: Cross multiply
    513,344.08x = 769,957.30 × 134,301.40
  4. Step 4: Simplify right side
    513,344.08x = 103,406,345,904.21
  5. Step 5: Solve for x
    x = 103,406,345,904.21/513,344.08
  6. Step 6: Final answer
    x = 201,436.72

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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.