Home / 450,619.58-621,812.49-269,295.41

Finding the Fourth Proportional to 450,619.58, 621,812.49 and 269,295.41

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Solution

The fourth proportional to 450,619.58, 621,812.49 and 269,295.41 is: 371,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,619.58 : 621,812.49 = 269,295.41 : x
  2. Step 2: Convert to fraction form
    450,619.58/621,812.49 = 269,295.41/x
  3. Step 3: Cross multiply
    450,619.58x = 621,812.49 × 269,295.41
  4. Step 4: Simplify right side
    450,619.58x = 167,451,249,437.67
  5. Step 5: Solve for x
    x = 167,451,249,437.67/450,619.58
  6. Step 6: Final answer
    x = 371,602.25

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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.