Home / 1,140,905.42-1,713,040.26-636,452

Finding the Fourth Proportional to 1,140,905.42, 1,713,040.26 and 636,452

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Solution

The fourth proportional to 1,140,905.42, 1,713,040.26 and 636,452 is: 955,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,905.42 : 1,713,040.26 = 636,452 : x
  2. Step 2: Convert to fraction form
    1,140,905.42/1,713,040.26 = 636,452/x
  3. Step 3: Cross multiply
    1,140,905.42x = 1,713,040.26 × 636,452
  4. Step 4: Simplify right side
    1,140,905.42x = 1,090,267,899,557.52
  5. Step 5: Solve for x
    x = 1,090,267,899,557.52/1,140,905.42
  6. Step 6: Final answer
    x = 955,616.37

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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.