Home / 526,840.20-790,241.10-211,211.40

Finding the Fourth Proportional to 526,840.20, 790,241.10 and 211,211.40

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Solution

The fourth proportional to 526,840.20, 790,241.10 and 211,211.40 is: 316,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,840.20 : 790,241.10 = 211,211.40 : x
  2. Step 2: Convert to fraction form
    526,840.20/790,241.10 = 211,211.40/x
  3. Step 3: Cross multiply
    526,840.20x = 790,241.10 × 211,211.40
  4. Step 4: Simplify right side
    526,840.20x = 166,907,929,068.54
  5. Step 5: Solve for x
    x = 166,907,929,068.54/526,840.20
  6. Step 6: Final answer
    x = 316,809.40

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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.