Home / 649,919.20-974,639.94-223,334.06

Finding the Fourth Proportional to 649,919.20, 974,639.94 and 223,334.06

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Solution

The fourth proportional to 649,919.20, 974,639.94 and 223,334.06 is: 334,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,919.20 : 974,639.94 = 223,334.06 : x
  2. Step 2: Convert to fraction form
    649,919.20/974,639.94 = 223,334.06/x
  3. Step 3: Cross multiply
    649,919.20x = 974,639.94 × 223,334.06
  4. Step 4: Simplify right side
    649,919.20x = 217,670,294,838.36
  5. Step 5: Solve for x
    x = 217,670,294,838.36/649,919.20
  6. Step 6: Final answer
    x = 334,919.01

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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.