Home / 1,890,521.72-2,835,768-470,568.32

Finding the Fourth Proportional to 1,890,521.72, 2,835,768 and 470,568.32

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Solution

The fourth proportional to 1,890,521.72, 2,835,768 and 470,568.32 is: 705,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,521.72 : 2,835,768 = 470,568.32 : x
  2. Step 2: Convert to fraction form
    1,890,521.72/2,835,768 = 470,568.32/x
  3. Step 3: Cross multiply
    1,890,521.72x = 2,835,768 × 470,568.32
  4. Step 4: Simplify right side
    1,890,521.72x = 1,334,422,583,669.76
  5. Step 5: Solve for x
    x = 1,334,422,583,669.76/1,890,521.72
  6. Step 6: Final answer
    x = 705,848.85

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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.