Home / 1,127,542.32-1,556,234.51-668,911.52

Finding the Fourth Proportional to 1,127,542.32, 1,556,234.51 and 668,911.52

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Solution

The fourth proportional to 1,127,542.32, 1,556,234.51 and 668,911.52 is: 923,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,542.32 : 1,556,234.51 = 668,911.52 : x
  2. Step 2: Convert to fraction form
    1,127,542.32/1,556,234.51 = 668,911.52/x
  3. Step 3: Cross multiply
    1,127,542.32x = 1,556,234.51 × 668,911.52
  4. Step 4: Simplify right side
    1,127,542.32x = 1,040,983,180,434.83
  5. Step 5: Solve for x
    x = 1,040,983,180,434.83/1,127,542.32
  6. Step 6: Final answer
    x = 923,232.03

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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.