Home / 984,658.70-1,477,145.67-416,045.31

Finding the Fourth Proportional to 984,658.70, 1,477,145.67 and 416,045.31

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Solution

The fourth proportional to 984,658.70, 1,477,145.67 and 416,045.31 is: 624,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,658.70 : 1,477,145.67 = 416,045.31 : x
  2. Step 2: Convert to fraction form
    984,658.70/1,477,145.67 = 416,045.31/x
  3. Step 3: Cross multiply
    984,658.70x = 1,477,145.67 × 416,045.31
  4. Step 4: Simplify right side
    984,658.70x = 614,559,528,190.31
  5. Step 5: Solve for x
    x = 614,559,528,190.31/984,658.70
  6. Step 6: Final answer
    x = 624,134.56

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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.