Home / 1,023,609.62-1,535,359.03-313,639.72

Finding the Fourth Proportional to 1,023,609.62, 1,535,359.03 and 313,639.72

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Solution

The fourth proportional to 1,023,609.62, 1,535,359.03 and 313,639.72 is: 470,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,609.62 : 1,535,359.03 = 313,639.72 : x
  2. Step 2: Convert to fraction form
    1,023,609.62/1,535,359.03 = 313,639.72/x
  3. Step 3: Cross multiply
    1,023,609.62x = 1,535,359.03 × 313,639.72
  4. Step 4: Simplify right side
    1,023,609.62x = 481,549,576,268.67
  5. Step 5: Solve for x
    x = 481,549,576,268.67/1,023,609.62
  6. Step 6: Final answer
    x = 470,442.61

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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.