Home / 823,732.74-1,136,555.55-479,360.23

Finding the Fourth Proportional to 823,732.74, 1,136,555.55 and 479,360.23

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Solution

The fourth proportional to 823,732.74, 1,136,555.55 and 479,360.23 is: 661,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,732.74 : 1,136,555.55 = 479,360.23 : x
  2. Step 2: Convert to fraction form
    823,732.74/1,136,555.55 = 479,360.23/x
  3. Step 3: Cross multiply
    823,732.74x = 1,136,555.55 × 479,360.23
  4. Step 4: Simplify right side
    823,732.74x = 544,819,527,014.39
  5. Step 5: Solve for x
    x = 544,819,527,014.39/823,732.74
  6. Step 6: Final answer
    x = 661,403.27

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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.