Home / 854,178.80-1,278,935.40-616,233.20

Finding the Fourth Proportional to 854,178.80, 1,278,935.40 and 616,233.20

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Solution

The fourth proportional to 854,178.80, 1,278,935.40 and 616,233.20 is: 922,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,178.80 : 1,278,935.40 = 616,233.20 : x
  2. Step 2: Convert to fraction form
    854,178.80/1,278,935.40 = 616,233.20/x
  3. Step 3: Cross multiply
    854,178.80x = 1,278,935.40 × 616,233.20
  4. Step 4: Simplify right side
    854,178.80x = 788,122,454,135.28
  5. Step 5: Solve for x
    x = 788,122,454,135.28/854,178.80
  6. Step 6: Final answer
    x = 922,666.84

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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.