Home / 1,127,804.76-1,556,453.06-644,359.52

Finding the Fourth Proportional to 1,127,804.76, 1,556,453.06 and 644,359.52

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Solution

The fourth proportional to 1,127,804.76, 1,556,453.06 and 644,359.52 is: 889,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,804.76 : 1,556,453.06 = 644,359.52 : x
  2. Step 2: Convert to fraction form
    1,127,804.76/1,556,453.06 = 644,359.52/x
  3. Step 3: Cross multiply
    1,127,804.76x = 1,556,453.06 × 644,359.52
  4. Step 4: Simplify right side
    1,127,804.76x = 1,002,915,347,313.47
  5. Step 5: Solve for x
    x = 1,002,915,347,313.47/1,127,804.76
  6. Step 6: Final answer
    x = 889,263.27

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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.