Home / 483,281-666,909.32-268,434.84

Finding the Fourth Proportional to 483,281, 666,909.32 and 268,434.84

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Solution

The fourth proportional to 483,281, 666,909.32 and 268,434.84 is: 370,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,281 : 666,909.32 = 268,434.84 : x
  2. Step 2: Convert to fraction form
    483,281/666,909.32 = 268,434.84/x
  3. Step 3: Cross multiply
    483,281x = 666,909.32 × 268,434.84
  4. Step 4: Simplify right side
    483,281x = 179,021,696,608.71
  5. Step 5: Solve for x
    x = 179,021,696,608.71/483,281
  6. Step 6: Final answer
    x = 370,429.83

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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.