Home / 982,111.62-1,355,110.80-574,134.57

Finding the Fourth Proportional to 982,111.62, 1,355,110.80 and 574,134.57

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Solution

The fourth proportional to 982,111.62, 1,355,110.80 and 574,134.57 is: 792,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,111.62 : 1,355,110.80 = 574,134.57 : x
  2. Step 2: Convert to fraction form
    982,111.62/1,355,110.80 = 574,134.57/x
  3. Step 3: Cross multiply
    982,111.62x = 1,355,110.80 × 574,134.57
  4. Step 4: Simplify right side
    982,111.62x = 778,015,956,460.36
  5. Step 5: Solve for x
    x = 778,015,956,460.36/982,111.62
  6. Step 6: Final answer
    x = 792,186.90

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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.