Home / 715,415.70-1,073,123.55-182,978.40

Finding the Fourth Proportional to 715,415.70, 1,073,123.55 and 182,978.40

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Solution

The fourth proportional to 715,415.70, 1,073,123.55 and 182,978.40 is: 274,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,415.70 : 1,073,123.55 = 182,978.40 : x
  2. Step 2: Convert to fraction form
    715,415.70/1,073,123.55 = 182,978.40/x
  3. Step 3: Cross multiply
    715,415.70x = 1,073,123.55 × 182,978.40
  4. Step 4: Simplify right side
    715,415.70x = 196,358,430,181.32
  5. Step 5: Solve for x
    x = 196,358,430,181.32/715,415.70
  6. Step 6: Final answer
    x = 274,467.60

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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.