Home / 767,556.72-1,059,203.43-423,391.86

Finding the Fourth Proportional to 767,556.72, 1,059,203.43 and 423,391.86

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Solution

The fourth proportional to 767,556.72, 1,059,203.43 and 423,391.86 is: 584,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,556.72 : 1,059,203.43 = 423,391.86 : x
  2. Step 2: Convert to fraction form
    767,556.72/1,059,203.43 = 423,391.86/x
  3. Step 3: Cross multiply
    767,556.72x = 1,059,203.43 × 423,391.86
  4. Step 4: Simplify right side
    767,556.72x = 448,458,110,346.08
  5. Step 5: Solve for x
    x = 448,458,110,346.08/767,556.72
  6. Step 6: Final answer
    x = 584,267.06

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1.5x scale

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.