Home / 800,630.23-1,104,883.55-438,085.77

Finding the Fourth Proportional to 800,630.23, 1,104,883.55 and 438,085.77

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Solution

The fourth proportional to 800,630.23, 1,104,883.55 and 438,085.77 is: 604,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,630.23 : 1,104,883.55 = 438,085.77 : x
  2. Step 2: Convert to fraction form
    800,630.23/1,104,883.55 = 438,085.77/x
  3. Step 3: Cross multiply
    800,630.23x = 1,104,883.55 × 438,085.77
  4. Step 4: Simplify right side
    800,630.23x = 484,033,760,762.08
  5. Step 5: Solve for x
    x = 484,033,760,762.08/800,630.23
  6. Step 6: Final answer
    x = 604,565.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.