Home / 472,255.40-651,712.70-268,306.68

Finding the Fourth Proportional to 472,255.40, 651,712.70 and 268,306.68

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Solution

The fourth proportional to 472,255.40, 651,712.70 and 268,306.68 is: 370,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,255.40 : 651,712.70 = 268,306.68 : x
  2. Step 2: Convert to fraction form
    472,255.40/651,712.70 = 268,306.68/x
  3. Step 3: Cross multiply
    472,255.40x = 651,712.70 × 268,306.68
  4. Step 4: Simplify right side
    472,255.40x = 174,858,870,850.84
  5. Step 5: Solve for x
    x = 174,858,870,850.84/472,255.40
  6. Step 6: Final answer
    x = 370,263.36

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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.