Home / 1,186,748.40-1,780,097.96-288,194.84

Finding the Fourth Proportional to 1,186,748.40, 1,780,097.96 and 288,194.84

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Solution

The fourth proportional to 1,186,748.40, 1,780,097.96 and 288,194.84 is: 432,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,748.40 : 1,780,097.96 = 288,194.84 : x
  2. Step 2: Convert to fraction form
    1,186,748.40/1,780,097.96 = 288,194.84/x
  3. Step 3: Cross multiply
    1,186,748.40x = 1,780,097.96 × 288,194.84
  4. Step 4: Simplify right side
    1,186,748.40x = 513,015,046,766.53
  5. Step 5: Solve for x
    x = 513,015,046,766.53/1,186,748.40
  6. Step 6: Final answer
    x = 432,286.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.