Home / 1,496,916.75-2,065,745.13-817,858.11

Finding the Fourth Proportional to 1,496,916.75, 2,065,745.13 and 817,858.11

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Solution

The fourth proportional to 1,496,916.75, 2,065,745.13 and 817,858.11 is: 1,128,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,916.75 : 2,065,745.13 = 817,858.11 : x
  2. Step 2: Convert to fraction form
    1,496,916.75/2,065,745.13 = 817,858.11/x
  3. Step 3: Cross multiply
    1,496,916.75x = 2,065,745.13 × 817,858.11
  4. Step 4: Simplify right side
    1,496,916.75x = 1,689,486,407,763.50
  5. Step 5: Solve for x
    x = 1,689,486,407,763.50/1,496,916.75
  6. Step 6: Final answer
    x = 1,128,644.20

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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.