Home / 879,534.33-1,213,759.68-477,126.33

Finding the Fourth Proportional to 879,534.33, 1,213,759.68 and 477,126.33

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Solution

The fourth proportional to 879,534.33, 1,213,759.68 and 477,126.33 is: 658,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,534.33 : 1,213,759.68 = 477,126.33 : x
  2. Step 2: Convert to fraction form
    879,534.33/1,213,759.68 = 477,126.33/x
  3. Step 3: Cross multiply
    879,534.33x = 1,213,759.68 × 477,126.33
  4. Step 4: Simplify right side
    879,534.33x = 579,116,701,620.37
  5. Step 5: Solve for x
    x = 579,116,701,620.37/879,534.33
  6. Step 6: Final answer
    x = 658,435.59

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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.