Home / 862,943.28-1,190,889.72-481,050.96

Finding the Fourth Proportional to 862,943.28, 1,190,889.72 and 481,050.96

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Solution

The fourth proportional to 862,943.28, 1,190,889.72 and 481,050.96 is: 663,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,943.28 : 1,190,889.72 = 481,050.96 : x
  2. Step 2: Convert to fraction form
    862,943.28/1,190,889.72 = 481,050.96/x
  3. Step 3: Cross multiply
    862,943.28x = 1,190,889.72 × 481,050.96
  4. Step 4: Simplify right side
    862,943.28x = 572,878,643,060.13
  5. Step 5: Solve for x
    x = 572,878,643,060.13/862,943.28
  6. Step 6: Final answer
    x = 663,865.93

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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.