Home / 1,212,653.80-1,818,986.70-314,032.52

Finding the Fourth Proportional to 1,212,653.80, 1,818,986.70 and 314,032.52

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Solution

The fourth proportional to 1,212,653.80, 1,818,986.70 and 314,032.52 is: 471,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,653.80 : 1,818,986.70 = 314,032.52 : x
  2. Step 2: Convert to fraction form
    1,212,653.80/1,818,986.70 = 314,032.52/x
  3. Step 3: Cross multiply
    1,212,653.80x = 1,818,986.70 × 314,032.52
  4. Step 4: Simplify right side
    1,212,653.80x = 571,220,977,247.48
  5. Step 5: Solve for x
    x = 571,220,977,247.48/1,212,653.80
  6. Step 6: Final answer
    x = 471,050.33

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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.