Home / 1,103,362.80-1,522,638.36-619,940.40

Finding the Fourth Proportional to 1,103,362.80, 1,522,638.36 and 619,940.40

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Solution

The fourth proportional to 1,103,362.80, 1,522,638.36 and 619,940.40 is: 855,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,362.80 : 1,522,638.36 = 619,940.40 : x
  2. Step 2: Convert to fraction form
    1,103,362.80/1,522,638.36 = 619,940.40/x
  3. Step 3: Cross multiply
    1,103,362.80x = 1,522,638.36 × 619,940.40
  4. Step 4: Simplify right side
    1,103,362.80x = 943,945,033,953.74
  5. Step 5: Solve for x
    x = 943,945,033,953.74/1,103,362.80
  6. Step 6: Final answer
    x = 855,516.46

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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.