Home / 897,049.41-1,345,344.83-265,815.60

Finding the Fourth Proportional to 897,049.41, 1,345,344.83 and 265,815.60

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Solution

The fourth proportional to 897,049.41, 1,345,344.83 and 265,815.60 is: 398,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,049.41 : 1,345,344.83 = 265,815.60 : x
  2. Step 2: Convert to fraction form
    897,049.41/1,345,344.83 = 265,815.60/x
  3. Step 3: Cross multiply
    897,049.41x = 1,345,344.83 × 265,815.60
  4. Step 4: Simplify right side
    897,049.41x = 357,613,643,193.35
  5. Step 5: Solve for x
    x = 357,613,643,193.35/897,049.41
  6. Step 6: Final answer
    x = 398,655.46

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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.