Home / 856,594.89-1,182,100.77-512,445.33

Finding the Fourth Proportional to 856,594.89, 1,182,100.77 and 512,445.33

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Solution

The fourth proportional to 856,594.89, 1,182,100.77 and 512,445.33 is: 707,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,594.89 : 1,182,100.77 = 512,445.33 : x
  2. Step 2: Convert to fraction form
    856,594.89/1,182,100.77 = 512,445.33/x
  3. Step 3: Cross multiply
    856,594.89x = 1,182,100.77 × 512,445.33
  4. Step 4: Simplify right side
    856,594.89x = 605,762,019,175.90
  5. Step 5: Solve for x
    x = 605,762,019,175.90/856,594.89
  6. Step 6: Final answer
    x = 707,174.45

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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.