Home / 450,528.89-621,704.57-246,579.39

Finding the Fourth Proportional to 450,528.89, 621,704.57 and 246,579.39

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Solution

The fourth proportional to 450,528.89, 621,704.57 and 246,579.39 is: 340,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,528.89 : 621,704.57 = 246,579.39 : x
  2. Step 2: Convert to fraction form
    450,528.89/621,704.57 = 246,579.39/x
  3. Step 3: Cross multiply
    450,528.89x = 621,704.57 × 246,579.39
  4. Step 4: Simplify right side
    450,528.89x = 153,299,532,397.92
  5. Step 5: Solve for x
    x = 153,299,532,397.92/450,528.89
  6. Step 6: Final answer
    x = 340,265.71

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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.