Home / 537,869.20-806,803.80-257,933.20

Finding the Fourth Proportional to 537,869.20, 806,803.80 and 257,933.20

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Solution

The fourth proportional to 537,869.20, 806,803.80 and 257,933.20 is: 386,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,869.20 : 806,803.80 = 257,933.20 : x
  2. Step 2: Convert to fraction form
    537,869.20/806,803.80 = 257,933.20/x
  3. Step 3: Cross multiply
    537,869.20x = 806,803.80 × 257,933.20
  4. Step 4: Simplify right side
    537,869.20x = 208,101,485,906.16
  5. Step 5: Solve for x
    x = 208,101,485,906.16/537,869.20
  6. Step 6: Final answer
    x = 386,899.80

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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.