Home / 1,186,747.40-1,780,096.46-288,193.84

Finding the Fourth Proportional to 1,186,747.40, 1,780,096.46 and 288,193.84

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Solution

The fourth proportional to 1,186,747.40, 1,780,096.46 and 288,193.84 is: 432,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,747.40 : 1,780,096.46 = 288,193.84 : x
  2. Step 2: Convert to fraction form
    1,186,747.40/1,780,096.46 = 288,193.84/x
  3. Step 3: Cross multiply
    1,186,747.40x = 1,780,096.46 × 288,193.84
  4. Step 4: Simplify right side
    1,186,747.40x = 513,012,834,377.81
  5. Step 5: Solve for x
    x = 513,012,834,377.81/1,186,747.40
  6. Step 6: Final answer
    x = 432,284.78

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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.