Home / 517,741.29-714,208.95-356,316.09

Finding the Fourth Proportional to 517,741.29, 714,208.95 and 356,316.09

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Solution

The fourth proportional to 517,741.29, 714,208.95 and 356,316.09 is: 491,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,741.29 : 714,208.95 = 356,316.09 : x
  2. Step 2: Convert to fraction form
    517,741.29/714,208.95 = 356,316.09/x
  3. Step 3: Cross multiply
    517,741.29x = 714,208.95 × 356,316.09
  4. Step 4: Simplify right side
    517,741.29x = 254,484,140,507.01
  5. Step 5: Solve for x
    x = 254,484,140,507.01/517,741.29
  6. Step 6: Final answer
    x = 491,527.61

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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.