Home / 1,869,564.80-2,804,820.30-521,727.23

Finding the Fourth Proportional to 1,869,564.80, 2,804,820.30 and 521,727.23

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Solution

The fourth proportional to 1,869,564.80, 2,804,820.30 and 521,727.23 is: 782,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,564.80 : 2,804,820.30 = 521,727.23 : x
  2. Step 2: Convert to fraction form
    1,869,564.80/2,804,820.30 = 521,727.23/x
  3. Step 3: Cross multiply
    1,869,564.80x = 2,804,820.30 × 521,727.23
  4. Step 4: Simplify right side
    1,869,564.80x = 1,463,351,111,742.67
  5. Step 5: Solve for x
    x = 1,463,351,111,742.67/1,869,564.80
  6. Step 6: Final answer
    x = 782,722.86

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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.