Home / 538,629.60-806,972.40-257,527.20

Finding the Fourth Proportional to 538,629.60, 806,972.40 and 257,527.20

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Solution

The fourth proportional to 538,629.60, 806,972.40 and 257,527.20 is: 385,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,629.60 : 806,972.40 = 257,527.20 : x
  2. Step 2: Convert to fraction form
    538,629.60/806,972.40 = 257,527.20/x
  3. Step 3: Cross multiply
    538,629.60x = 806,972.40 × 257,527.20
  4. Step 4: Simplify right side
    538,629.60x = 207,817,342,649.28
  5. Step 5: Solve for x
    x = 207,817,342,649.28/538,629.60
  6. Step 6: Final answer
    x = 385,826.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.