Home / 1,505,222.91-2,077,208.70-816,894.59

Finding the Fourth Proportional to 1,505,222.91, 2,077,208.70 and 816,894.59

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Solution

The fourth proportional to 1,505,222.91, 2,077,208.70 and 816,894.59 is: 1,127,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,222.91 : 2,077,208.70 = 816,894.59 : x
  2. Step 2: Convert to fraction form
    1,505,222.91/2,077,208.70 = 816,894.59/x
  3. Step 3: Cross multiply
    1,505,222.91x = 2,077,208.70 × 816,894.59
  4. Step 4: Simplify right side
    1,505,222.91x = 1,696,860,542,008.24
  5. Step 5: Solve for x
    x = 1,696,860,542,008.24/1,505,222.91
  6. Step 6: Final answer
    x = 1,127,315.12

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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.