Home / 1,075,420.80-1,611,187.20-625,773.60

Finding the Fourth Proportional to 1,075,420.80, 1,611,187.20 and 625,773.60

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Solution

The fourth proportional to 1,075,420.80, 1,611,187.20 and 625,773.60 is: 937,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,420.80 : 1,611,187.20 = 625,773.60 : x
  2. Step 2: Convert to fraction form
    1,075,420.80/1,611,187.20 = 625,773.60/x
  3. Step 3: Cross multiply
    1,075,420.80x = 1,611,187.20 × 625,773.60
  4. Step 4: Simplify right side
    1,075,420.80x = 1,008,238,414,417.92
  5. Step 5: Solve for x
    x = 1,008,238,414,417.92/1,075,420.80
  6. Step 6: Final answer
    x = 937,529.21

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1.5x scale

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.