Home / 1,288,559.67-1,931,986.36-614,744.97

Finding the Fourth Proportional to 1,288,559.67, 1,931,986.36 and 614,744.97

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Solution

The fourth proportional to 1,288,559.67, 1,931,986.36 and 614,744.97 is: 921,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,559.67 : 1,931,986.36 = 614,744.97 : x
  2. Step 2: Convert to fraction form
    1,288,559.67/1,931,986.36 = 614,744.97/x
  3. Step 3: Cross multiply
    1,288,559.67x = 1,931,986.36 × 614,744.97
  4. Step 4: Simplify right side
    1,288,559.67x = 1,187,678,896,918.61
  5. Step 5: Solve for x
    x = 1,187,678,896,918.61/1,288,559.67
  6. Step 6: Final answer
    x = 921,710.44

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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.