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Finding the Fourth Proportional to 1,168,882, 1,612,783 and 709,983.80

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Solution

The fourth proportional to 1,168,882, 1,612,783 and 709,983.80 is: 979,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,882 : 1,612,783 = 709,983.80 : x
  2. Step 2: Convert to fraction form
    1,168,882/1,612,783 = 709,983.80/x
  3. Step 3: Cross multiply
    1,168,882x = 1,612,783 × 709,983.80
  4. Step 4: Simplify right side
    1,168,882x = 1,145,049,802,915.40
  5. Step 5: Solve for x
    x = 1,145,049,802,915.40/1,168,882
  6. Step 6: Final answer
    x = 979,611.12

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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.