Home / 857,700.98-1,183,769.08-475,850.78

Finding the Fourth Proportional to 857,700.98, 1,183,769.08 and 475,850.78

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Solution

The fourth proportional to 857,700.98, 1,183,769.08 and 475,850.78 is: 656,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,700.98 : 1,183,769.08 = 475,850.78 : x
  2. Step 2: Convert to fraction form
    857,700.98/1,183,769.08 = 475,850.78/x
  3. Step 3: Cross multiply
    857,700.98x = 1,183,769.08 × 475,850.78
  4. Step 4: Simplify right side
    857,700.98x = 563,297,440,057.88
  5. Step 5: Solve for x
    x = 563,297,440,057.88/857,700.98
  6. Step 6: Final answer
    x = 656,752.71

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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.