Home / 1,191,031.56-1,643,620.23-647,169.23

Finding the Fourth Proportional to 1,191,031.56, 1,643,620.23 and 647,169.23

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Solution

The fourth proportional to 1,191,031.56, 1,643,620.23 and 647,169.23 is: 893,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,031.56 : 1,643,620.23 = 647,169.23 : x
  2. Step 2: Convert to fraction form
    1,191,031.56/1,643,620.23 = 647,169.23/x
  3. Step 3: Cross multiply
    1,191,031.56x = 1,643,620.23 × 647,169.23
  4. Step 4: Simplify right side
    1,191,031.56x = 1,063,700,438,661.52
  5. Step 5: Solve for x
    x = 1,063,700,438,661.52/1,191,031.56
  6. Step 6: Final answer
    x = 893,091.73

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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.