Home / 734,187.20-1,101,280.80-235,601.60

Finding the Fourth Proportional to 734,187.20, 1,101,280.80 and 235,601.60

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Solution

The fourth proportional to 734,187.20, 1,101,280.80 and 235,601.60 is: 353,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,187.20 : 1,101,280.80 = 235,601.60 : x
  2. Step 2: Convert to fraction form
    734,187.20/1,101,280.80 = 235,601.60/x
  3. Step 3: Cross multiply
    734,187.20x = 1,101,280.80 × 235,601.60
  4. Step 4: Simplify right side
    734,187.20x = 259,463,518,529.28
  5. Step 5: Solve for x
    x = 259,463,518,529.28/734,187.20
  6. Step 6: Final answer
    x = 353,402.40

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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.