Home / 734,541.40-1,100,948.10-419,296.60

Finding the Fourth Proportional to 734,541.40, 1,100,948.10 and 419,296.60

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Solution

The fourth proportional to 734,541.40, 1,100,948.10 and 419,296.60 is: 628,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,541.40 : 1,100,948.10 = 419,296.60 : x
  2. Step 2: Convert to fraction form
    734,541.40/1,100,948.10 = 419,296.60/x
  3. Step 3: Cross multiply
    734,541.40x = 1,100,948.10 × 419,296.60
  4. Step 4: Simplify right side
    734,541.40x = 461,623,795,106.46
  5. Step 5: Solve for x
    x = 461,623,795,106.46/734,541.40
  6. Step 6: Final answer
    x = 628,451.70

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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.