Home / 450,180.45-621,302.63-259,231.05

Finding the Fourth Proportional to 450,180.45, 621,302.63 and 259,231.05

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Solution

The fourth proportional to 450,180.45, 621,302.63 and 259,231.05 is: 357,769.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,180.45 : 621,302.63 = 259,231.05 : x
  2. Step 2: Convert to fraction form
    450,180.45/621,302.63 = 259,231.05/x
  3. Step 3: Cross multiply
    450,180.45x = 621,302.63 × 259,231.05
  4. Step 4: Simplify right side
    450,180.45x = 161,060,931,846.51
  5. Step 5: Solve for x
    x = 161,060,931,846.51/450,180.45
  6. Step 6: Final answer
    x = 357,769.72

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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.