Home / 472,243.19-651,710.78-268,290.38

Finding the Fourth Proportional to 472,243.19, 651,710.78 and 268,290.38

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Solution

The fourth proportional to 472,243.19, 651,710.78 and 268,290.38 is: 370,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,243.19 : 651,710.78 = 268,290.38 : x
  2. Step 2: Convert to fraction form
    472,243.19/651,710.78 = 268,290.38/x
  3. Step 3: Cross multiply
    472,243.19x = 651,710.78 × 268,290.38
  4. Step 4: Simplify right side
    472,243.19x = 174,847,734,110.21
  5. Step 5: Solve for x
    x = 174,847,734,110.21/472,243.19
  6. Step 6: Final answer
    x = 370,249.35

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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.