Home / 516,188.03-712,453.34-286,824.13

Finding the Fourth Proportional to 516,188.03, 712,453.34 and 286,824.13

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Solution

The fourth proportional to 516,188.03, 712,453.34 and 286,824.13 is: 395,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,188.03 : 712,453.34 = 286,824.13 : x
  2. Step 2: Convert to fraction form
    516,188.03/712,453.34 = 286,824.13/x
  3. Step 3: Cross multiply
    516,188.03x = 712,453.34 × 286,824.13
  4. Step 4: Simplify right side
    516,188.03x = 204,348,806,195.84
  5. Step 5: Solve for x
    x = 204,348,806,195.84/516,188.03
  6. Step 6: Final answer
    x = 395,880.56

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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.