Home / 982,441.12-1,473,661.72-351,316.64

Finding the Fourth Proportional to 982,441.12, 1,473,661.72 and 351,316.64

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Solution

The fourth proportional to 982,441.12, 1,473,661.72 and 351,316.64 is: 526,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,441.12 : 1,473,661.72 = 351,316.64 : x
  2. Step 2: Convert to fraction form
    982,441.12/1,473,661.72 = 351,316.64/x
  3. Step 3: Cross multiply
    982,441.12x = 1,473,661.72 × 351,316.64
  4. Step 4: Simplify right side
    982,441.12x = 517,721,883,967.02
  5. Step 5: Solve for x
    x = 517,721,883,967.02/982,441.12
  6. Step 6: Final answer
    x = 526,974.97

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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.