Home / 450,605.82-621,836.94-246,669.72

Finding the Fourth Proportional to 450,605.82, 621,836.94 and 246,669.72

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Solution

The fourth proportional to 450,605.82, 621,836.94 and 246,669.72 is: 340,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,605.82 : 621,836.94 = 246,669.72 : x
  2. Step 2: Convert to fraction form
    450,605.82/621,836.94 = 246,669.72/x
  3. Step 3: Cross multiply
    450,605.82x = 621,836.94 × 246,669.72
  4. Step 4: Simplify right side
    450,605.82x = 153,388,343,875.46
  5. Step 5: Solve for x
    x = 153,388,343,875.46/450,605.82
  6. Step 6: Final answer
    x = 340,404.71

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1.5x scale

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.