Home / 450,512.47-621,645.80-269,186.07

Finding the Fourth Proportional to 450,512.47, 621,645.80 and 269,186.07

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Solution

The fourth proportional to 450,512.47, 621,645.80 and 269,186.07 is: 371,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,512.47 : 621,645.80 = 269,186.07 : x
  2. Step 2: Convert to fraction form
    450,512.47/621,645.80 = 269,186.07/x
  3. Step 3: Cross multiply
    450,512.47x = 621,645.80 × 269,186.07
  4. Step 4: Simplify right side
    450,512.47x = 167,338,389,834.01
  5. Step 5: Solve for x
    x = 167,338,389,834.01/450,512.47
  6. Step 6: Final answer
    x = 371,440.08

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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.