Home / 862,594.08-1,190,384.70-500,233.08

Finding the Fourth Proportional to 862,594.08, 1,190,384.70 and 500,233.08

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Solution

The fourth proportional to 862,594.08, 1,190,384.70 and 500,233.08 is: 690,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,594.08 : 1,190,384.70 = 500,233.08 : x
  2. Step 2: Convert to fraction form
    862,594.08/1,190,384.70 = 500,233.08/x
  3. Step 3: Cross multiply
    862,594.08x = 1,190,384.70 × 500,233.08
  4. Step 4: Simplify right side
    862,594.08x = 595,469,804,865.88
  5. Step 5: Solve for x
    x = 595,469,804,865.88/862,594.08
  6. Step 6: Final answer
    x = 690,324.47

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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.