Home / 450,089.10-621,181.71-259,110.54

Finding the Fourth Proportional to 450,089.10, 621,181.71 and 259,110.54

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Solution

The fourth proportional to 450,089.10, 621,181.71 and 259,110.54 is: 357,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,089.10 : 621,181.71 = 259,110.54 : x
  2. Step 2: Convert to fraction form
    450,089.10/621,181.71 = 259,110.54/x
  3. Step 3: Cross multiply
    450,089.10x = 621,181.71 × 259,110.54
  4. Step 4: Simplify right side
    450,089.10x = 160,954,728,316.22
  5. Step 5: Solve for x
    x = 160,954,728,316.22/450,089.10
  6. Step 6: Final answer
    x = 357,606.37

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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.