Home / 918,926.46-1,267,932.69-536,879.43

Finding the Fourth Proportional to 918,926.46, 1,267,932.69 and 536,879.43

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Solution

The fourth proportional to 918,926.46, 1,267,932.69 and 536,879.43 is: 740,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,926.46 : 1,267,932.69 = 536,879.43 : x
  2. Step 2: Convert to fraction form
    918,926.46/1,267,932.69 = 536,879.43/x
  3. Step 3: Cross multiply
    918,926.46x = 1,267,932.69 × 536,879.43
  4. Step 4: Simplify right side
    918,926.46x = 680,726,979,885.57
  5. Step 5: Solve for x
    x = 680,726,979,885.57/918,926.46
  6. Step 6: Final answer
    x = 740,785.05

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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.