Home / 824,489.76-1,137,828.51-461,916.60

Finding the Fourth Proportional to 824,489.76, 1,137,828.51 and 461,916.60

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Solution

The fourth proportional to 824,489.76, 1,137,828.51 and 461,916.60 is: 637,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,489.76 : 1,137,828.51 = 461,916.60 : x
  2. Step 2: Convert to fraction form
    824,489.76/1,137,828.51 = 461,916.60/x
  3. Step 3: Cross multiply
    824,489.76x = 1,137,828.51 × 461,916.60
  4. Step 4: Simplify right side
    824,489.76x = 525,581,876,722.27
  5. Step 5: Solve for x
    x = 525,581,876,722.27/824,489.76
  6. Step 6: Final answer
    x = 637,463.20

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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.