Home / 757,967.68-1,045,993.26-418,433.50

Finding the Fourth Proportional to 757,967.68, 1,045,993.26 and 418,433.50

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Solution

The fourth proportional to 757,967.68, 1,045,993.26 and 418,433.50 is: 577,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,967.68 : 1,045,993.26 = 418,433.50 : x
  2. Step 2: Convert to fraction form
    757,967.68/1,045,993.26 = 418,433.50/x
  3. Step 3: Cross multiply
    757,967.68x = 1,045,993.26 × 418,433.50
  4. Step 4: Simplify right side
    757,967.68x = 437,678,620,758.21
  5. Step 5: Solve for x
    x = 437,678,620,758.21/757,967.68
  6. Step 6: Final answer
    x = 577,437.05

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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.