Home / 939,938.85-1,410,501.20-400,194.81

Finding the Fourth Proportional to 939,938.85, 1,410,501.20 and 400,194.81

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Solution

The fourth proportional to 939,938.85, 1,410,501.20 and 400,194.81 is: 600,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,938.85 : 1,410,501.20 = 400,194.81 : x
  2. Step 2: Convert to fraction form
    939,938.85/1,410,501.20 = 400,194.81/x
  3. Step 3: Cross multiply
    939,938.85x = 1,410,501.20 × 400,194.81
  4. Step 4: Simplify right side
    939,938.85x = 564,475,257,737.80
  5. Step 5: Solve for x
    x = 564,475,257,737.80/939,938.85
  6. Step 6: Final answer
    x = 600,544.66

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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.