Home / 1,869,538.96-2,804,780.27-521,700.45

Finding the Fourth Proportional to 1,869,538.96, 2,804,780.27 and 521,700.45

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Solution

The fourth proportional to 1,869,538.96, 2,804,780.27 and 521,700.45 is: 782,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,538.96 : 2,804,780.27 = 521,700.45 : x
  2. Step 2: Convert to fraction form
    1,869,538.96/2,804,780.27 = 521,700.45/x
  3. Step 3: Cross multiply
    1,869,538.96x = 2,804,780.27 × 521,700.45
  4. Step 4: Simplify right side
    1,869,538.96x = 1,463,255,112,377.72
  5. Step 5: Solve for x
    x = 1,463,255,112,377.72/1,869,538.96
  6. Step 6: Final answer
    x = 782,682.33

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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.