Home / 1,539,973.56-2,308,409.34-641,912.40

Finding the Fourth Proportional to 1,539,973.56, 2,308,409.34 and 641,912.40

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Solution

The fourth proportional to 1,539,973.56, 2,308,409.34 and 641,912.40 is: 962,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,973.56 : 2,308,409.34 = 641,912.40 : x
  2. Step 2: Convert to fraction form
    1,539,973.56/2,308,409.34 = 641,912.40/x
  3. Step 3: Cross multiply
    1,539,973.56x = 2,308,409.34 × 641,912.40
  4. Step 4: Simplify right side
    1,539,973.56x = 1,481,796,579,621.82
  5. Step 5: Solve for x
    x = 1,481,796,579,621.82/1,539,973.56
  6. Step 6: Final answer
    x = 962,222.09

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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.