Home / 1,185,571.53-1,778,361.84-287,011.85

Finding the Fourth Proportional to 1,185,571.53, 1,778,361.84 and 287,011.85

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Solution

The fourth proportional to 1,185,571.53, 1,778,361.84 and 287,011.85 is: 430,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,571.53 : 1,778,361.84 = 287,011.85 : x
  2. Step 2: Convert to fraction form
    1,185,571.53/1,778,361.84 = 287,011.85/x
  3. Step 3: Cross multiply
    1,185,571.53x = 1,778,361.84 × 287,011.85
  4. Step 4: Simplify right side
    1,185,571.53x = 510,410,912,776.00
  5. Step 5: Solve for x
    x = 510,410,912,776.00/1,185,571.53
  6. Step 6: Final answer
    x = 430,518.87

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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.