Home / 862,706.41-1,190,394.75-500,059.38

Finding the Fourth Proportional to 862,706.41, 1,190,394.75 and 500,059.38

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Solution

The fourth proportional to 862,706.41, 1,190,394.75 and 500,059.38 is: 690,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,706.41 : 1,190,394.75 = 500,059.38 : x
  2. Step 2: Convert to fraction form
    862,706.41/1,190,394.75 = 500,059.38/x
  3. Step 3: Cross multiply
    862,706.41x = 1,190,394.75 × 500,059.38
  4. Step 4: Simplify right side
    862,706.41x = 595,268,060,640.26
  5. Step 5: Solve for x
    x = 595,268,060,640.26/862,706.41
  6. Step 6: Final answer
    x = 690,000.74

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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.