Home / 1,683,916.09-2,525,569.84-485,543.77

Finding the Fourth Proportional to 1,683,916.09, 2,525,569.84 and 485,543.77

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Solution

The fourth proportional to 1,683,916.09, 2,525,569.84 and 485,543.77 is: 728,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,916.09 : 2,525,569.84 = 485,543.77 : x
  2. Step 2: Convert to fraction form
    1,683,916.09/2,525,569.84 = 485,543.77/x
  3. Step 3: Cross multiply
    1,683,916.09x = 2,525,569.84 × 485,543.77
  4. Step 4: Simplify right side
    1,683,916.09x = 1,226,274,701,511.90
  5. Step 5: Solve for x
    x = 1,226,274,701,511.90/1,683,916.09
  6. Step 6: Final answer
    x = 728,227.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.