Home / 862,945.41-1,190,870.19-480,996.39

Finding the Fourth Proportional to 862,945.41, 1,190,870.19 and 480,996.39

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Solution

The fourth proportional to 862,945.41, 1,190,870.19 and 480,996.39 is: 663,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,945.41 : 1,190,870.19 = 480,996.39 : x
  2. Step 2: Convert to fraction form
    862,945.41/1,190,870.19 = 480,996.39/x
  3. Step 3: Cross multiply
    862,945.41x = 1,190,870.19 × 480,996.39
  4. Step 4: Simplify right side
    862,945.41x = 572,804,262,348.61
  5. Step 5: Solve for x
    x = 572,804,262,348.61/862,945.41
  6. Step 6: Final answer
    x = 663,778.10

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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.