Home / 1,435,036-1,980,349.76-831,773.92

Finding the Fourth Proportional to 1,435,036, 1,980,349.76 and 831,773.92

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Solution

The fourth proportional to 1,435,036, 1,980,349.76 and 831,773.92 is: 1,147,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,036 : 1,980,349.76 = 831,773.92 : x
  2. Step 2: Convert to fraction form
    1,435,036/1,980,349.76 = 831,773.92/x
  3. Step 3: Cross multiply
    1,435,036x = 1,980,349.76 × 831,773.92
  4. Step 4: Simplify right side
    1,435,036x = 1,647,203,282,846.26
  5. Step 5: Solve for x
    x = 1,647,203,282,846.26/1,435,036
  6. Step 6: Final answer
    x = 1,147,848.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.