Home / 457,030.25-630,697.36-263,366.81

Finding the Fourth Proportional to 457,030.25, 630,697.36 and 263,366.81

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Solution

The fourth proportional to 457,030.25, 630,697.36 and 263,366.81 is: 363,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,030.25 : 630,697.36 = 263,366.81 : x
  2. Step 2: Convert to fraction form
    457,030.25/630,697.36 = 263,366.81/x
  3. Step 3: Cross multiply
    457,030.25x = 630,697.36 × 263,366.81
  4. Step 4: Simplify right side
    457,030.25x = 166,104,751,778.62
  5. Step 5: Solve for x
    x = 166,104,751,778.62/457,030.25
  6. Step 6: Final answer
    x = 363,443.67

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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.