Home / 511,626.05-767,971.33-376,842.29

Finding the Fourth Proportional to 511,626.05, 767,971.33 and 376,842.29

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Solution

The fourth proportional to 511,626.05, 767,971.33 and 376,842.29 is: 565,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,626.05 : 767,971.33 = 376,842.29 : x
  2. Step 2: Convert to fraction form
    511,626.05/767,971.33 = 376,842.29/x
  3. Step 3: Cross multiply
    511,626.05x = 767,971.33 × 376,842.29
  4. Step 4: Simplify right side
    511,626.05x = 289,404,069,869.58
  5. Step 5: Solve for x
    x = 289,404,069,869.58/511,626.05
  6. Step 6: Final answer
    x = 565,655.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.