Home / 351,012.30-526,518.45-209,294.70

Finding the Fourth Proportional to 351,012.30, 526,518.45 and 209,294.70

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Solution

The fourth proportional to 351,012.30, 526,518.45 and 209,294.70 is: 313,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,012.30 : 526,518.45 = 209,294.70 : x
  2. Step 2: Convert to fraction form
    351,012.30/526,518.45 = 209,294.70/x
  3. Step 3: Cross multiply
    351,012.30x = 526,518.45 × 209,294.70
  4. Step 4: Simplify right side
    351,012.30x = 110,197,521,037.22
  5. Step 5: Solve for x
    x = 110,197,521,037.22/351,012.30
  6. Step 6: Final answer
    x = 313,942.05

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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.