Home / 916,636.50-1,374,992.01-436,617.54

Finding the Fourth Proportional to 916,636.50, 1,374,992.01 and 436,617.54

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Solution

The fourth proportional to 916,636.50, 1,374,992.01 and 436,617.54 is: 654,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,636.50 : 1,374,992.01 = 436,617.54 : x
  2. Step 2: Convert to fraction form
    916,636.50/1,374,992.01 = 436,617.54/x
  3. Step 3: Cross multiply
    916,636.50x = 1,374,992.01 × 436,617.54
  4. Step 4: Simplify right side
    916,636.50x = 600,345,628,925.86
  5. Step 5: Solve for x
    x = 600,345,628,925.86/916,636.50
  6. Step 6: Final answer
    x = 654,944.06

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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.