Home / 800,766.04-1,105,057.08-438,189.92

Finding the Fourth Proportional to 800,766.04, 1,105,057.08 and 438,189.92

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Solution

The fourth proportional to 800,766.04, 1,105,057.08 and 438,189.92 is: 604,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,766.04 : 1,105,057.08 = 438,189.92 : x
  2. Step 2: Convert to fraction form
    800,766.04/1,105,057.08 = 438,189.92/x
  3. Step 3: Cross multiply
    800,766.04x = 1,105,057.08 × 438,189.92
  4. Step 4: Simplify right side
    800,766.04x = 484,224,873,480.63
  5. Step 5: Solve for x
    x = 484,224,873,480.63/800,766.04
  6. Step 6: Final answer
    x = 604,702.06

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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.