Home / 1,285,916.95-1,929,196.23-907,576.75

Finding the Fourth Proportional to 1,285,916.95, 1,929,196.23 and 907,576.75

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Solution

The fourth proportional to 1,285,916.95, 1,929,196.23 and 907,576.75 is: 1,361,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,916.95 : 1,929,196.23 = 907,576.75 : x
  2. Step 2: Convert to fraction form
    1,285,916.95/1,929,196.23 = 907,576.75/x
  3. Step 3: Cross multiply
    1,285,916.95x = 1,929,196.23 × 907,576.75
  4. Step 4: Simplify right side
    1,285,916.95x = 1,750,893,644,535.65
  5. Step 5: Solve for x
    x = 1,750,893,644,535.65/1,285,916.95
  6. Step 6: Final answer
    x = 1,361,591.54

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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.