Home / 1,127,882.08-1,556,333.82-644,478.52

Finding the Fourth Proportional to 1,127,882.08, 1,556,333.82 and 644,478.52

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Solution

The fourth proportional to 1,127,882.08, 1,556,333.82 and 644,478.52 is: 889,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,882.08 : 1,556,333.82 = 644,478.52 : x
  2. Step 2: Convert to fraction form
    1,127,882.08/1,556,333.82 = 644,478.52/x
  3. Step 3: Cross multiply
    1,127,882.08x = 1,556,333.82 × 644,478.52
  4. Step 4: Simplify right side
    1,127,882.08x = 1,003,023,716,939.55
  5. Step 5: Solve for x
    x = 1,003,023,716,939.55/1,127,882.08
  6. Step 6: Final answer
    x = 889,298.39

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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.