Home / 1,116,528.32-1,674,847.20-317,865.92

Finding the Fourth Proportional to 1,116,528.32, 1,674,847.20 and 317,865.92

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Solution

The fourth proportional to 1,116,528.32, 1,674,847.20 and 317,865.92 is: 476,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,528.32 : 1,674,847.20 = 317,865.92 : x
  2. Step 2: Convert to fraction form
    1,116,528.32/1,674,847.20 = 317,865.92/x
  3. Step 3: Cross multiply
    1,116,528.32x = 1,674,847.20 × 317,865.92
  4. Step 4: Simplify right side
    1,116,528.32x = 532,376,846,087.42
  5. Step 5: Solve for x
    x = 532,376,846,087.42/1,116,528.32
  6. Step 6: Final answer
    x = 476,814.46

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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.