Home / 1,276,800-1,761,996.15-703,860.72

Finding the Fourth Proportional to 1,276,800, 1,761,996.15 and 703,860.72

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Solution

The fourth proportional to 1,276,800, 1,761,996.15 and 703,860.72 is: 971,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,800 : 1,761,996.15 = 703,860.72 : x
  2. Step 2: Convert to fraction form
    1,276,800/1,761,996.15 = 703,860.72/x
  3. Step 3: Cross multiply
    1,276,800x = 1,761,996.15 × 703,860.72
  4. Step 4: Simplify right side
    1,276,800x = 1,240,199,878,776.23
  5. Step 5: Solve for x
    x = 1,240,199,878,776.23/1,276,800
  6. Step 6: Final answer
    x = 971,334.49

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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.