Home / 895,792.78-1,236,195.30-487,896.22

Finding the Fourth Proportional to 895,792.78, 1,236,195.30 and 487,896.22

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Solution

The fourth proportional to 895,792.78, 1,236,195.30 and 487,896.22 is: 673,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,792.78 : 1,236,195.30 = 487,896.22 : x
  2. Step 2: Convert to fraction form
    895,792.78/1,236,195.30 = 487,896.22/x
  3. Step 3: Cross multiply
    895,792.78x = 1,236,195.30 × 487,896.22
  4. Step 4: Simplify right side
    895,792.78x = 603,135,014,051.77
  5. Step 5: Solve for x
    x = 603,135,014,051.77/895,792.78
  6. Step 6: Final answer
    x = 673,297.47

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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.