Home / 320,465.24-482,861.25-265,527.80

Finding the Fourth Proportional to 320,465.24, 482,861.25 and 265,527.80

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Solution

The fourth proportional to 320,465.24, 482,861.25 and 265,527.80 is: 400,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,465.24 : 482,861.25 = 265,527.80 : x
  2. Step 2: Convert to fraction form
    320,465.24/482,861.25 = 265,527.80/x
  3. Step 3: Cross multiply
    320,465.24x = 482,861.25 × 265,527.80
  4. Step 4: Simplify right side
    320,465.24x = 128,213,085,417.75
  5. Step 5: Solve for x
    x = 128,213,085,417.75/320,465.24
  6. Step 6: Final answer
    x = 400,084.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.