Home / 807,019.32-1,208,954.16-628,691.34

Finding the Fourth Proportional to 807,019.32, 1,208,954.16 and 628,691.34

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Solution

The fourth proportional to 807,019.32, 1,208,954.16 and 628,691.34 is: 941,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,019.32 : 1,208,954.16 = 628,691.34 : x
  2. Step 2: Convert to fraction form
    807,019.32/1,208,954.16 = 628,691.34/x
  3. Step 3: Cross multiply
    807,019.32x = 1,208,954.16 × 628,691.34
  4. Step 4: Simplify right side
    807,019.32x = 760,059,010,848.97
  5. Step 5: Solve for x
    x = 760,059,010,848.97/807,019.32
  6. Step 6: Final answer
    x = 941,810.18

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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.