Home / 738,984.14-1,019,797.67-399,452.39

Finding the Fourth Proportional to 738,984.14, 1,019,797.67 and 399,452.39

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Solution

The fourth proportional to 738,984.14, 1,019,797.67 and 399,452.39 is: 551,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,984.14 : 1,019,797.67 = 399,452.39 : x
  2. Step 2: Convert to fraction form
    738,984.14/1,019,797.67 = 399,452.39/x
  3. Step 3: Cross multiply
    738,984.14x = 1,019,797.67 × 399,452.39
  4. Step 4: Simplify right side
    738,984.14x = 407,360,617,150.16
  5. Step 5: Solve for x
    x = 407,360,617,150.16/738,984.14
  6. Step 6: Final answer
    x = 551,244.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.