Home / 738,478.26-1,019,085.72-416,181.84

Finding the Fourth Proportional to 738,478.26, 1,019,085.72 and 416,181.84

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Solution

The fourth proportional to 738,478.26, 1,019,085.72 and 416,181.84 is: 574,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,478.26 : 1,019,085.72 = 416,181.84 : x
  2. Step 2: Convert to fraction form
    738,478.26/1,019,085.72 = 416,181.84/x
  3. Step 3: Cross multiply
    738,478.26x = 1,019,085.72 × 416,181.84
  4. Step 4: Simplify right side
    738,478.26x = 424,124,970,067.33
  5. Step 5: Solve for x
    x = 424,124,970,067.33/738,478.26
  6. Step 6: Final answer
    x = 574,322.89

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Double scale
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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.