Home / 450,140.96-621,185.76-246,191.22

Finding the Fourth Proportional to 450,140.96, 621,185.76 and 246,191.22

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Solution

The fourth proportional to 450,140.96, 621,185.76 and 246,191.22 is: 339,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,140.96 : 621,185.76 = 246,191.22 : x
  2. Step 2: Convert to fraction form
    450,140.96/621,185.76 = 246,191.22/x
  3. Step 3: Cross multiply
    450,140.96x = 621,185.76 × 246,191.22
  4. Step 4: Simplify right side
    450,140.96x = 152,930,480,101.03
  5. Step 5: Solve for x
    x = 152,930,480,101.03/450,140.96
  6. Step 6: Final answer
    x = 339,739.09

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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.