Home / 823,775.79-1,136,724.05-456,243.30

Finding the Fourth Proportional to 823,775.79, 1,136,724.05 and 456,243.30

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Solution

The fourth proportional to 823,775.79, 1,136,724.05 and 456,243.30 is: 629,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,775.79 : 1,136,724.05 = 456,243.30 : x
  2. Step 2: Convert to fraction form
    823,775.79/1,136,724.05 = 456,243.30/x
  3. Step 3: Cross multiply
    823,775.79x = 1,136,724.05 × 456,243.30
  4. Step 4: Simplify right side
    823,775.79x = 518,622,735,173.48
  5. Step 5: Solve for x
    x = 518,622,735,173.48/823,775.79
  6. Step 6: Final answer
    x = 629,567.83

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Double scale
Find fourth proportional to 823,776.79, 1,136,725.43 and 456,244.30
Similar ratio
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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.