Home / 621,460.02-857,486.07-363,286.83

Finding the Fourth Proportional to 621,460.02, 857,486.07 and 363,286.83

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Solution

The fourth proportional to 621,460.02, 857,486.07 and 363,286.83 is: 501,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,460.02 : 857,486.07 = 363,286.83 : x
  2. Step 2: Convert to fraction form
    621,460.02/857,486.07 = 363,286.83/x
  3. Step 3: Cross multiply
    621,460.02x = 857,486.07 × 363,286.83
  4. Step 4: Simplify right side
    621,460.02x = 311,513,396,139.46
  5. Step 5: Solve for x
    x = 311,513,396,139.46/621,460.02
  6. Step 6: Final answer
    x = 501,260.56

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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.