Home / 828,558.51-1,236,788.97-710,985.39

Finding the Fourth Proportional to 828,558.51, 1,236,788.97 and 710,985.39

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Solution

The fourth proportional to 828,558.51, 1,236,788.97 and 710,985.39 is: 1,061,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,558.51 : 1,236,788.97 = 710,985.39 : x
  2. Step 2: Convert to fraction form
    828,558.51/1,236,788.97 = 710,985.39/x
  3. Step 3: Cross multiply
    828,558.51x = 1,236,788.97 × 710,985.39
  4. Step 4: Simplify right side
    828,558.51x = 879,338,888,183.15
  5. Step 5: Solve for x
    x = 879,338,888,183.15/828,558.51
  6. Step 6: Final answer
    x = 1,061,287.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.