Home / 1,111,821.77-1,534,478.64-703,961.57

Finding the Fourth Proportional to 1,111,821.77, 1,534,478.64 and 703,961.57

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Solution

The fourth proportional to 1,111,821.77, 1,534,478.64 and 703,961.57 is: 971,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,821.77 : 1,534,478.64 = 703,961.57 : x
  2. Step 2: Convert to fraction form
    1,111,821.77/1,534,478.64 = 703,961.57/x
  3. Step 3: Cross multiply
    1,111,821.77x = 1,534,478.64 × 703,961.57
  4. Step 4: Simplify right side
    1,111,821.77x = 1,080,213,992,545.86
  5. Step 5: Solve for x
    x = 1,080,213,992,545.86/1,111,821.77
  6. Step 6: Final answer
    x = 971,571.18

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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.