Home / 862,690.02-1,190,516.94-500,328.72

Finding the Fourth Proportional to 862,690.02, 1,190,516.94 and 500,328.72

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Solution

The fourth proportional to 862,690.02, 1,190,516.94 and 500,328.72 is: 690,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,690.02 : 1,190,516.94 = 500,328.72 : x
  2. Step 2: Convert to fraction form
    862,690.02/1,190,516.94 = 500,328.72/x
  3. Step 3: Cross multiply
    862,690.02x = 1,190,516.94 × 500,328.72
  4. Step 4: Simplify right side
    862,690.02x = 595,649,816,728.52
  5. Step 5: Solve for x
    x = 595,649,816,728.52/862,690.02
  6. Step 6: Final answer
    x = 690,456.37

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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.