Home / 864,433.49-1,293,438.90-543,080.82

Finding the Fourth Proportional to 864,433.49, 1,293,438.90 and 543,080.82

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Solution

The fourth proportional to 864,433.49, 1,293,438.90 and 543,080.82 is: 812,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,433.49 : 1,293,438.90 = 543,080.82 : x
  2. Step 2: Convert to fraction form
    864,433.49/1,293,438.90 = 543,080.82/x
  3. Step 3: Cross multiply
    864,433.49x = 1,293,438.90 × 543,080.82
  4. Step 4: Simplify right side
    864,433.49x = 702,441,858,431.90
  5. Step 5: Solve for x
    x = 702,441,858,431.90/864,433.49
  6. Step 6: Final answer
    x = 812,603.71

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1.5x scale

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.