Home / 1,127,845.08-1,556,423.10-644,560.20

Finding the Fourth Proportional to 1,127,845.08, 1,556,423.10 and 644,560.20

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Solution

The fourth proportional to 1,127,845.08, 1,556,423.10 and 644,560.20 is: 889,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,845.08 : 1,556,423.10 = 644,560.20 : x
  2. Step 2: Convert to fraction form
    1,127,845.08/1,556,423.10 = 644,560.20/x
  3. Step 3: Cross multiply
    1,127,845.08x = 1,556,423.10 × 644,560.20
  4. Step 4: Simplify right side
    1,127,845.08x = 1,003,208,384,620.62
  5. Step 5: Solve for x
    x = 1,003,208,384,620.62/1,127,845.08
  6. Step 6: Final answer
    x = 889,491.30

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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.