Home / 854,176.80-1,278,932.40-616,231.20

Finding the Fourth Proportional to 854,176.80, 1,278,932.40 and 616,231.20

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Solution

The fourth proportional to 854,176.80, 1,278,932.40 and 616,231.20 is: 922,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,176.80 : 1,278,932.40 = 616,231.20 : x
  2. Step 2: Convert to fraction form
    854,176.80/1,278,932.40 = 616,231.20/x
  3. Step 3: Cross multiply
    854,176.80x = 1,278,932.40 × 616,231.20
  4. Step 4: Simplify right side
    854,176.80x = 788,118,047,570.88
  5. Step 5: Solve for x
    x = 788,118,047,570.88/854,176.80
  6. Step 6: Final answer
    x = 922,663.84

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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.