Home / 1,869,455.81-2,804,656.55-521,617.83

Finding the Fourth Proportional to 1,869,455.81, 2,804,656.55 and 521,617.83

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Solution

The fourth proportional to 1,869,455.81, 2,804,656.55 and 521,617.83 is: 782,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,455.81 : 2,804,656.55 = 521,617.83 : x
  2. Step 2: Convert to fraction form
    1,869,455.81/2,804,656.55 = 521,617.83/x
  3. Step 3: Cross multiply
    1,869,455.81x = 2,804,656.55 × 521,617.83
  4. Step 4: Simplify right side
    1,869,455.81x = 1,462,958,860,898.20
  5. Step 5: Solve for x
    x = 1,462,958,860,898.20/1,869,455.81
  6. Step 6: Final answer
    x = 782,558.68

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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.