Home / 1,869,538.46-2,804,779.52-521,699.95

Finding the Fourth Proportional to 1,869,538.46, 2,804,779.52 and 521,699.95

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Solution

The fourth proportional to 1,869,538.46, 2,804,779.52 and 521,699.95 is: 782,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,538.46 : 2,804,779.52 = 521,699.95 : x
  2. Step 2: Convert to fraction form
    1,869,538.46/2,804,779.52 = 521,699.95/x
  3. Step 3: Cross multiply
    1,869,538.46x = 2,804,779.52 × 521,699.95
  4. Step 4: Simplify right side
    1,869,538.46x = 1,463,253,318,712.63
  5. Step 5: Solve for x
    x = 1,463,253,318,712.63/1,869,538.46
  6. Step 6: Final answer
    x = 782,681.58

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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.