Home / 619,848.32-930,131.48-259,987.19

Finding the Fourth Proportional to 619,848.32, 930,131.48 and 259,987.19

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Solution

The fourth proportional to 619,848.32, 930,131.48 and 259,987.19 is: 390,131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,848.32 : 930,131.48 = 259,987.19 : x
  2. Step 2: Convert to fraction form
    619,848.32/930,131.48 = 259,987.19/x
  3. Step 3: Cross multiply
    619,848.32x = 930,131.48 × 259,987.19
  4. Step 4: Simplify right side
    619,848.32x = 241,822,265,815.05
  5. Step 5: Solve for x
    x = 241,822,265,815.05/619,848.32
  6. Step 6: Final answer
    x = 390,131.36

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Double scale
Find fourth proportional to 619,849.32, 930,132.98 and 259,988.19
Similar ratio
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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.