Home / 513,557.93-771,084.66-364,589.21

Finding the Fourth Proportional to 513,557.93, 771,084.66 and 364,589.21

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Solution

The fourth proportional to 513,557.93, 771,084.66 and 364,589.21 is: 547,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,557.93 : 771,084.66 = 364,589.21 : x
  2. Step 2: Convert to fraction form
    513,557.93/771,084.66 = 364,589.21/x
  3. Step 3: Cross multiply
    513,557.93x = 771,084.66 × 364,589.21
  4. Step 4: Simplify right side
    513,557.93x = 281,129,147,032.52
  5. Step 5: Solve for x
    x = 281,129,147,032.52/513,557.93
  6. Step 6: Final answer
    x = 547,414.67

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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.