Home / 763,916.48-1,053,836.16-508,941.44

Finding the Fourth Proportional to 763,916.48, 1,053,836.16 and 508,941.44

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Solution

The fourth proportional to 763,916.48, 1,053,836.16 and 508,941.44 is: 702,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,916.48 : 1,053,836.16 = 508,941.44 : x
  2. Step 2: Convert to fraction form
    763,916.48/1,053,836.16 = 508,941.44/x
  3. Step 3: Cross multiply
    763,916.48x = 1,053,836.16 × 508,941.44
  4. Step 4: Simplify right side
    763,916.48x = 536,340,892,794.47
  5. Step 5: Solve for x
    x = 536,340,892,794.47/763,916.48
  6. Step 6: Final answer
    x = 702,093.63

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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.