Home / 830,539.56-1,245,836.25-261,926.14

Finding the Fourth Proportional to 830,539.56, 1,245,836.25 and 261,926.14

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Solution

The fourth proportional to 830,539.56, 1,245,836.25 and 261,926.14 is: 392,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,539.56 : 1,245,836.25 = 261,926.14 : x
  2. Step 2: Convert to fraction form
    830,539.56/1,245,836.25 = 261,926.14/x
  3. Step 3: Cross multiply
    830,539.56x = 1,245,836.25 × 261,926.14
  4. Step 4: Simplify right side
    830,539.56x = 326,317,081,582.82
  5. Step 5: Solve for x
    x = 326,317,081,582.82/830,539.56
  6. Step 6: Final answer
    x = 392,897.70

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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.