Home / 1,075,469.80-1,612,815.90-542,813.80

Finding the Fourth Proportional to 1,075,469.80, 1,612,815.90 and 542,813.80

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Solution

The fourth proportional to 1,075,469.80, 1,612,815.90 and 542,813.80 is: 814,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,469.80 : 1,612,815.90 = 542,813.80 : x
  2. Step 2: Convert to fraction form
    1,075,469.80/1,612,815.90 = 542,813.80/x
  3. Step 3: Cross multiply
    1,075,469.80x = 1,612,815.90 × 542,813.80
  4. Step 4: Simplify right side
    1,075,469.80x = 875,458,727,379.42
  5. Step 5: Solve for x
    x = 875,458,727,379.42/1,075,469.80
  6. Step 6: Final answer
    x = 814,024.46

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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.