Home / 880,837.36-1,321,283.45-419,114.14

Finding the Fourth Proportional to 880,837.36, 1,321,283.45 and 419,114.14

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Solution

The fourth proportional to 880,837.36, 1,321,283.45 and 419,114.14 is: 628,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,837.36 : 1,321,283.45 = 419,114.14 : x
  2. Step 2: Convert to fraction form
    880,837.36/1,321,283.45 = 419,114.14/x
  3. Step 3: Cross multiply
    880,837.36x = 1,321,283.45 × 419,114.14
  4. Step 4: Simplify right side
    880,837.36x = 553,768,576,842.98
  5. Step 5: Solve for x
    x = 553,768,576,842.98/880,837.36
  6. Step 6: Final answer
    x = 628,684.25

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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.