Home / 1,890,474.91-2,835,697.78-470,521.42

Finding the Fourth Proportional to 1,890,474.91, 2,835,697.78 and 470,521.42

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Solution

The fourth proportional to 1,890,474.91, 2,835,697.78 and 470,521.42 is: 705,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,474.91 : 2,835,697.78 = 470,521.42 : x
  2. Step 2: Convert to fraction form
    1,890,474.91/2,835,697.78 = 470,521.42/x
  3. Step 3: Cross multiply
    1,890,474.91x = 2,835,697.78 × 470,521.42
  4. Step 4: Simplify right side
    1,890,474.91x = 1,334,256,539,635.36
  5. Step 5: Solve for x
    x = 1,334,256,539,635.36/1,890,474.91
  6. Step 6: Final answer
    x = 705,778.50

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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.