Home / 1,227,012.36-1,840,296.93-428,522.27

Finding the Fourth Proportional to 1,227,012.36, 1,840,296.93 and 428,522.27

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Solution

The fourth proportional to 1,227,012.36, 1,840,296.93 and 428,522.27 is: 642,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,012.36 : 1,840,296.93 = 428,522.27 : x
  2. Step 2: Convert to fraction form
    1,227,012.36/1,840,296.93 = 428,522.27/x
  3. Step 3: Cross multiply
    1,227,012.36x = 1,840,296.93 × 428,522.27
  4. Step 4: Simplify right side
    1,227,012.36x = 788,608,208,716.15
  5. Step 5: Solve for x
    x = 788,608,208,716.15/1,227,012.36
  6. Step 6: Final answer
    x = 642,706.00

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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.