Home / 1,086,312.61-1,629,075.25-486,965.26

Finding the Fourth Proportional to 1,086,312.61, 1,629,075.25 and 486,965.26

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Solution

The fourth proportional to 1,086,312.61, 1,629,075.25 and 486,965.26 is: 730,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,312.61 : 1,629,075.25 = 486,965.26 : x
  2. Step 2: Convert to fraction form
    1,086,312.61/1,629,075.25 = 486,965.26/x
  3. Step 3: Cross multiply
    1,086,312.61x = 1,629,075.25 × 486,965.26
  4. Step 4: Simplify right side
    1,086,312.61x = 793,303,053,635.94
  5. Step 5: Solve for x
    x = 793,303,053,635.94/1,086,312.61
  6. Step 6: Final answer
    x = 730,271.42

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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.