Home / 739,157.43-1,020,071.97-416,860.86

Finding the Fourth Proportional to 739,157.43, 1,020,071.97 and 416,860.86

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Solution

The fourth proportional to 739,157.43, 1,020,071.97 and 416,860.86 is: 575,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,157.43 : 1,020,071.97 = 416,860.86 : x
  2. Step 2: Convert to fraction form
    739,157.43/1,020,071.97 = 416,860.86/x
  3. Step 3: Cross multiply
    739,157.43x = 1,020,071.97 × 416,860.86
  4. Step 4: Simplify right side
    739,157.43x = 425,228,078,676.09
  5. Step 5: Solve for x
    x = 425,228,078,676.09/739,157.43
  6. Step 6: Final answer
    x = 575,287.57

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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.