Home / 942,231.50-1,412,810.21-643,074.20

Finding the Fourth Proportional to 942,231.50, 1,412,810.21 and 643,074.20

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Solution

The fourth proportional to 942,231.50, 1,412,810.21 and 643,074.20 is: 964,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,231.50 : 1,412,810.21 = 643,074.20 : x
  2. Step 2: Convert to fraction form
    942,231.50/1,412,810.21 = 643,074.20/x
  3. Step 3: Cross multiply
    942,231.50x = 1,412,810.21 × 643,074.20
  4. Step 4: Simplify right side
    942,231.50x = 908,541,790,091.22
  5. Step 5: Solve for x
    x = 908,541,790,091.22/942,231.50
  6. Step 6: Final answer
    x = 964,244.77

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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.