Home / 450,504.23-621,724.70-259,514.33

Finding the Fourth Proportional to 450,504.23, 621,724.70 and 259,514.33

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Solution

The fourth proportional to 450,504.23, 621,724.70 and 259,514.33 is: 358,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,504.23 : 621,724.70 = 259,514.33 : x
  2. Step 2: Convert to fraction form
    450,504.23/621,724.70 = 259,514.33/x
  3. Step 3: Cross multiply
    450,504.23x = 621,724.70 × 259,514.33
  4. Step 4: Simplify right side
    450,504.23x = 161,346,464,558.76
  5. Step 5: Solve for x
    x = 161,346,464,558.76/450,504.23
  6. Step 6: Final answer
    x = 358,146.40

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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.