Home / 1,147,238.90-1,583,191-637,930.34

Finding the Fourth Proportional to 1,147,238.90, 1,583,191 and 637,930.34

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Solution

The fourth proportional to 1,147,238.90, 1,583,191 and 637,930.34 is: 880,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,238.90 : 1,583,191 = 637,930.34 : x
  2. Step 2: Convert to fraction form
    1,147,238.90/1,583,191 = 637,930.34/x
  3. Step 3: Cross multiply
    1,147,238.90x = 1,583,191 × 637,930.34
  4. Step 4: Simplify right side
    1,147,238.90x = 1,009,965,572,914.94
  5. Step 5: Solve for x
    x = 1,009,965,572,914.94/1,147,238.90
  6. Step 6: Final answer
    x = 880,344.60

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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.