Home / 1,641,656.77-2,265,524.44-1,029,835.28

Finding the Fourth Proportional to 1,641,656.77, 2,265,524.44 and 1,029,835.28

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Solution

The fourth proportional to 1,641,656.77, 2,265,524.44 and 1,029,835.28 is: 1,421,196.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,656.77 : 2,265,524.44 = 1,029,835.28 : x
  2. Step 2: Convert to fraction form
    1,641,656.77/2,265,524.44 = 1,029,835.28/x
  3. Step 3: Cross multiply
    1,641,656.77x = 2,265,524.44 × 1,029,835.28
  4. Step 4: Simplify right side
    1,641,656.77x = 2,333,116,999,103.47
  5. Step 5: Solve for x
    x = 2,333,116,999,103.47/1,641,656.77
  6. Step 6: Final answer
    x = 1,421,196.59

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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.