Home / 516,823.14-713,158.85-310,080.57

Finding the Fourth Proportional to 516,823.14, 713,158.85 and 310,080.57

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Solution

The fourth proportional to 516,823.14, 713,158.85 and 310,080.57 is: 427,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,823.14 : 713,158.85 = 310,080.57 : x
  2. Step 2: Convert to fraction form
    516,823.14/713,158.85 = 310,080.57/x
  3. Step 3: Cross multiply
    516,823.14x = 713,158.85 × 310,080.57
  4. Step 4: Simplify right side
    516,823.14x = 221,136,699,142.75
  5. Step 5: Solve for x
    x = 221,136,699,142.75/516,823.14
  6. Step 6: Final answer
    x = 427,876.93

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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.