Home / 824,712.60-1,236,896.10-404,290.20

Finding the Fourth Proportional to 824,712.60, 1,236,896.10 and 404,290.20

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Solution

The fourth proportional to 824,712.60, 1,236,896.10 and 404,290.20 is: 606,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,712.60 : 1,236,896.10 = 404,290.20 : x
  2. Step 2: Convert to fraction form
    824,712.60/1,236,896.10 = 404,290.20/x
  3. Step 3: Cross multiply
    824,712.60x = 1,236,896.10 × 404,290.20
  4. Step 4: Simplify right side
    824,712.60x = 500,064,971,648.22
  5. Step 5: Solve for x
    x = 500,064,971,648.22/824,712.60
  6. Step 6: Final answer
    x = 606,350.59

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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.