Home / 857,650.80-1,183,480.56-475,676.40

Finding the Fourth Proportional to 857,650.80, 1,183,480.56 and 475,676.40

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Solution

The fourth proportional to 857,650.80, 1,183,480.56 and 475,676.40 is: 656,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,650.80 : 1,183,480.56 = 475,676.40 : x
  2. Step 2: Convert to fraction form
    857,650.80/1,183,480.56 = 475,676.40/x
  3. Step 3: Cross multiply
    857,650.80x = 1,183,480.56 × 475,676.40
  4. Step 4: Simplify right side
    857,650.80x = 562,953,772,250.78
  5. Step 5: Solve for x
    x = 562,953,772,250.78/857,650.80
  6. Step 6: Final answer
    x = 656,390.42

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Double scale
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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.