Home / 450,430.11-621,593.53-246,481.04

Finding the Fourth Proportional to 450,430.11, 621,593.53 and 246,481.04

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Solution

The fourth proportional to 450,430.11, 621,593.53 and 246,481.04 is: 340,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,430.11 : 621,593.53 = 246,481.04 : x
  2. Step 2: Convert to fraction form
    450,430.11/621,593.53 = 246,481.04/x
  3. Step 3: Cross multiply
    450,430.11x = 621,593.53 × 246,481.04
  4. Step 4: Simplify right side
    450,430.11x = 153,211,020,669.45
  5. Step 5: Solve for x
    x = 153,211,020,669.45/450,430.11
  6. Step 6: Final answer
    x = 340,143.83

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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.