Home / 1,959,588.80-2,939,098.07-611,437.76

Finding the Fourth Proportional to 1,959,588.80, 2,939,098.07 and 611,437.76

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Solution

The fourth proportional to 1,959,588.80, 2,939,098.07 and 611,437.76 is: 917,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,588.80 : 2,939,098.07 = 611,437.76 : x
  2. Step 2: Convert to fraction form
    1,959,588.80/2,939,098.07 = 611,437.76/x
  3. Step 3: Cross multiply
    1,959,588.80x = 2,939,098.07 × 611,437.76
  4. Step 4: Simplify right side
    1,959,588.80x = 1,797,075,527,174.23
  5. Step 5: Solve for x
    x = 1,797,075,527,174.23/1,959,588.80
  6. Step 6: Final answer
    x = 917,067.67

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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.