Home / 285,837.42-393,465.60-247,057.58

Finding the Fourth Proportional to 285,837.42, 393,465.60 and 247,057.58

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Solution

The fourth proportional to 285,837.42, 393,465.60 and 247,057.58 is: 340,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,837.42 : 393,465.60 = 247,057.58 : x
  2. Step 2: Convert to fraction form
    285,837.42/393,465.60 = 247,057.58/x
  3. Step 3: Cross multiply
    285,837.42x = 393,465.60 × 247,057.58
  4. Step 4: Simplify right side
    285,837.42x = 97,208,658,949.25
  5. Step 5: Solve for x
    x = 97,208,658,949.25/285,837.42
  6. Step 6: Final answer
    x = 340,083.74

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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.