Home / 916,380.92-1,374,526.66-340,116.33

Finding the Fourth Proportional to 916,380.92, 1,374,526.66 and 340,116.33

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Solution

The fourth proportional to 916,380.92, 1,374,526.66 and 340,116.33 is: 510,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,380.92 : 1,374,526.66 = 340,116.33 : x
  2. Step 2: Convert to fraction form
    916,380.92/1,374,526.66 = 340,116.33/x
  3. Step 3: Cross multiply
    916,380.92x = 1,374,526.66 × 340,116.33
  4. Step 4: Simplify right side
    916,380.92x = 467,498,958,357.03
  5. Step 5: Solve for x
    x = 467,498,958,357.03/916,380.92
  6. Step 6: Final answer
    x = 510,157.89

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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.