Home / 1,128,204.50-1,556,914.49-611,956.31

Finding the Fourth Proportional to 1,128,204.50, 1,556,914.49 and 611,956.31

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Solution

The fourth proportional to 1,128,204.50, 1,556,914.49 and 611,956.31 is: 844,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,204.50 : 1,556,914.49 = 611,956.31 : x
  2. Step 2: Convert to fraction form
    1,128,204.50/1,556,914.49 = 611,956.31/x
  3. Step 3: Cross multiply
    1,128,204.50x = 1,556,914.49 × 611,956.31
  4. Step 4: Simplify right side
    1,128,204.50x = 952,763,643,226.15
  5. Step 5: Solve for x
    x = 952,763,643,226.15/1,128,204.50
  6. Step 6: Final answer
    x = 844,495.52

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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.