Home / 535,890.74-739,377.72-345,014.64

Finding the Fourth Proportional to 535,890.74, 739,377.72 and 345,014.64

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Solution

The fourth proportional to 535,890.74, 739,377.72 and 345,014.64 is: 476,022.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,890.74 : 739,377.72 = 345,014.64 : x
  2. Step 2: Convert to fraction form
    535,890.74/739,377.72 = 345,014.64/x
  3. Step 3: Cross multiply
    535,890.74x = 739,377.72 × 345,014.64
  4. Step 4: Simplify right side
    535,890.74x = 255,096,137,889.82
  5. Step 5: Solve for x
    x = 255,096,137,889.82/535,890.74
  6. Step 6: Final answer
    x = 476,022.67

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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.