Home / 857,542.80-1,183,331.52-475,568.40

Finding the Fourth Proportional to 857,542.80, 1,183,331.52 and 475,568.40

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Solution

The fourth proportional to 857,542.80, 1,183,331.52 and 475,568.40 is: 656,241.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,542.80 : 1,183,331.52 = 475,568.40 : x
  2. Step 2: Convert to fraction form
    857,542.80/1,183,331.52 = 475,568.40/x
  3. Step 3: Cross multiply
    857,542.80x = 1,183,331.52 × 475,568.40
  4. Step 4: Simplify right side
    857,542.80x = 562,755,077,635.97
  5. Step 5: Solve for x
    x = 562,755,077,635.97/857,542.80
  6. Step 6: Final answer
    x = 656,241.39

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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.