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Finding the Fourth Proportional to 895,897.86, 1,236,339.17 and 493,489.86

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Solution

The fourth proportional to 895,897.86, 1,236,339.17 and 493,489.86 is: 681,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,897.86 : 1,236,339.17 = 493,489.86 : x
  2. Step 2: Convert to fraction form
    895,897.86/1,236,339.17 = 493,489.86/x
  3. Step 3: Cross multiply
    895,897.86x = 1,236,339.17 × 493,489.86
  4. Step 4: Simplify right side
    895,897.86x = 610,120,843,915.82
  5. Step 5: Solve for x
    x = 610,120,843,915.82/895,897.86
  6. Step 6: Final answer
    x = 681,016.07

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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.