Home / 823,818.36-1,136,916.18-461,239.04

Finding the Fourth Proportional to 823,818.36, 1,136,916.18 and 461,239.04

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Solution

The fourth proportional to 823,818.36, 1,136,916.18 and 461,239.04 is: 636,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,818.36 : 1,136,916.18 = 461,239.04 : x
  2. Step 2: Convert to fraction form
    823,818.36/1,136,916.18 = 461,239.04/x
  3. Step 3: Cross multiply
    823,818.36x = 1,136,916.18 × 461,239.04
  4. Step 4: Simplify right side
    823,818.36x = 524,390,128,968.72
  5. Step 5: Solve for x
    x = 524,390,128,968.72/823,818.36
  6. Step 6: Final answer
    x = 636,536.11

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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.