Home / 984,688.03-1,477,189.72-416,074.71

Finding the Fourth Proportional to 984,688.03, 1,477,189.72 and 416,074.71

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Solution

The fourth proportional to 984,688.03, 1,477,189.72 and 416,074.71 is: 624,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,688.03 : 1,477,189.72 = 416,074.71 : x
  2. Step 2: Convert to fraction form
    984,688.03/1,477,189.72 = 416,074.71/x
  3. Step 3: Cross multiply
    984,688.03x = 1,477,189.72 × 416,074.71
  4. Step 4: Simplify right side
    984,688.03x = 614,621,283,323.79
  5. Step 5: Solve for x
    x = 614,621,283,323.79/984,688.03
  6. Step 6: Final answer
    x = 624,178.69

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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.