Home / 535,850.30-739,137.04-317,904.67

Finding the Fourth Proportional to 535,850.30, 739,137.04 and 317,904.67

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Solution

The fourth proportional to 535,850.30, 739,137.04 and 317,904.67 is: 438,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,850.30 : 739,137.04 = 317,904.67 : x
  2. Step 2: Convert to fraction form
    535,850.30/739,137.04 = 317,904.67/x
  3. Step 3: Cross multiply
    535,850.30x = 739,137.04 × 317,904.67
  4. Step 4: Simplify right side
    535,850.30x = 234,975,111,500.77
  5. Step 5: Solve for x
    x = 234,975,111,500.77/535,850.30
  6. Step 6: Final answer
    x = 438,508.88

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1.5x scale

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.