Home / 450,521.28-621,657.87-269,194.92

Finding the Fourth Proportional to 450,521.28, 621,657.87 and 269,194.92

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Solution

The fourth proportional to 450,521.28, 621,657.87 and 269,194.92 is: 371,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,521.28 : 621,657.87 = 269,194.92 : x
  2. Step 2: Convert to fraction form
    450,521.28/621,657.87 = 269,194.92/x
  3. Step 3: Cross multiply
    450,521.28x = 621,657.87 × 269,194.92
  4. Step 4: Simplify right side
    450,521.28x = 167,347,140,582.02
  5. Step 5: Solve for x
    x = 167,347,140,582.02/450,521.28
  6. Step 6: Final answer
    x = 371,452.24

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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.