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Finding the Fourth Proportional to 895,173.60, 1,342,760.40 and 856,299.68

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Solution

The fourth proportional to 895,173.60, 1,342,760.40 and 856,299.68 is: 1,284,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,173.60 : 1,342,760.40 = 856,299.68 : x
  2. Step 2: Convert to fraction form
    895,173.60/1,342,760.40 = 856,299.68/x
  3. Step 3: Cross multiply
    895,173.60x = 1,342,760.40 × 856,299.68
  4. Step 4: Simplify right side
    895,173.60x = 1,149,805,294,122.87
  5. Step 5: Solve for x
    x = 1,149,805,294,122.87/895,173.60
  6. Step 6: Final answer
    x = 1,284,449.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.