Home / 514,619.86-771,931.62-364,405.76

Finding the Fourth Proportional to 514,619.86, 771,931.62 and 364,405.76

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Solution

The fourth proportional to 514,619.86, 771,931.62 and 364,405.76 is: 546,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,619.86 : 771,931.62 = 364,405.76 : x
  2. Step 2: Convert to fraction form
    514,619.86/771,931.62 = 364,405.76/x
  3. Step 3: Cross multiply
    514,619.86x = 771,931.62 × 364,405.76
  4. Step 4: Simplify right side
    514,619.86x = 281,296,328,654.13
  5. Step 5: Solve for x
    x = 281,296,328,654.13/514,619.86
  6. Step 6: Final answer
    x = 546,609.94

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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.