Home / 1,035,778.20-1,554,056.10-405,144.60

Finding the Fourth Proportional to 1,035,778.20, 1,554,056.10 and 405,144.60

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Solution

The fourth proportional to 1,035,778.20, 1,554,056.10 and 405,144.60 is: 607,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,778.20 : 1,554,056.10 = 405,144.60 : x
  2. Step 2: Convert to fraction form
    1,035,778.20/1,554,056.10 = 405,144.60/x
  3. Step 3: Cross multiply
    1,035,778.20x = 1,554,056.10 × 405,144.60
  4. Step 4: Simplify right side
    1,035,778.20x = 629,617,437,012.06
  5. Step 5: Solve for x
    x = 629,617,437,012.06/1,035,778.20
  6. Step 6: Final answer
    x = 607,868.98

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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.