Home / 522,235.32-783,703.08-189,811.32

Finding the Fourth Proportional to 522,235.32, 783,703.08 and 189,811.32

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Solution

The fourth proportional to 522,235.32, 783,703.08 and 189,811.32 is: 284,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,235.32 : 783,703.08 = 189,811.32 : x
  2. Step 2: Convert to fraction form
    522,235.32/783,703.08 = 189,811.32/x
  3. Step 3: Cross multiply
    522,235.32x = 783,703.08 × 189,811.32
  4. Step 4: Simplify right side
    522,235.32x = 148,755,716,102.87
  5. Step 5: Solve for x
    x = 148,755,716,102.87/522,235.32
  6. Step 6: Final answer
    x = 284,844.23

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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.