Home / 674,974.05-931,464.27-369,050.64

Finding the Fourth Proportional to 674,974.05, 931,464.27 and 369,050.64

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Solution

The fourth proportional to 674,974.05, 931,464.27 and 369,050.64 is: 509,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,974.05 : 931,464.27 = 369,050.64 : x
  2. Step 2: Convert to fraction form
    674,974.05/931,464.27 = 369,050.64/x
  3. Step 3: Cross multiply
    674,974.05x = 931,464.27 × 369,050.64
  4. Step 4: Simplify right side
    674,974.05x = 343,757,484,980.63
  5. Step 5: Solve for x
    x = 343,757,484,980.63/674,974.05
  6. Step 6: Final answer
    x = 509,289.93

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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.