Home / 767,790.36-1,059,543.68-423,629.46

Finding the Fourth Proportional to 767,790.36, 1,059,543.68 and 423,629.46

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Solution

The fourth proportional to 767,790.36, 1,059,543.68 and 423,629.46 is: 584,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,790.36 : 1,059,543.68 = 423,629.46 : x
  2. Step 2: Convert to fraction form
    767,790.36/1,059,543.68 = 423,629.46/x
  3. Step 3: Cross multiply
    767,790.36x = 1,059,543.68 × 423,629.46
  4. Step 4: Simplify right side
    767,790.36x = 448,853,917,004.81
  5. Step 5: Solve for x
    x = 448,853,917,004.81/767,790.36
  6. Step 6: Final answer
    x = 584,604.78

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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.