Home / 1,111,860-1,534,531.50-703,999.76

Finding the Fourth Proportional to 1,111,860, 1,534,531.50 and 703,999.76

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Solution

The fourth proportional to 1,111,860, 1,534,531.50 and 703,999.76 is: 971,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,860 : 1,534,531.50 = 703,999.76 : x
  2. Step 2: Convert to fraction form
    1,111,860/1,534,531.50 = 703,999.76/x
  3. Step 3: Cross multiply
    1,111,860x = 1,534,531.50 × 703,999.76
  4. Step 4: Simplify right side
    1,111,860x = 1,080,309,800,039.78
  5. Step 5: Solve for x
    x = 1,080,309,800,039.78/1,111,860
  6. Step 6: Final answer
    x = 971,623.95

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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.