Home / 857,995.38-1,183,982.13-475,999.38

Finding the Fourth Proportional to 857,995.38, 1,183,982.13 and 475,999.38

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Solution

The fourth proportional to 857,995.38, 1,183,982.13 and 475,999.38 is: 656,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,995.38 : 1,183,982.13 = 475,999.38 : x
  2. Step 2: Convert to fraction form
    857,995.38/1,183,982.13 = 475,999.38/x
  3. Step 3: Cross multiply
    857,995.38x = 1,183,982.13 × 475,999.38
  4. Step 4: Simplify right side
    857,995.38x = 563,574,759,811.08
  5. Step 5: Solve for x
    x = 563,574,759,811.08/857,995.38
  6. Step 6: Final answer
    x = 656,850.58

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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.