Home / 446,639.40-616,355.38-245,431.08

Finding the Fourth Proportional to 446,639.40, 616,355.38 and 245,431.08

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Solution

The fourth proportional to 446,639.40, 616,355.38 and 245,431.08 is: 338,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,639.40 : 616,355.38 = 245,431.08 : x
  2. Step 2: Convert to fraction form
    446,639.40/616,355.38 = 245,431.08/x
  3. Step 3: Cross multiply
    446,639.40x = 616,355.38 × 245,431.08
  4. Step 4: Simplify right side
    446,639.40x = 151,272,766,577.21
  5. Step 5: Solve for x
    x = 151,272,766,577.21/446,639.40
  6. Step 6: Final answer
    x = 338,691.05

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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.