Home / 462,693.20-638,518.34-269,147.36

Finding the Fourth Proportional to 462,693.20, 638,518.34 and 269,147.36

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Solution

The fourth proportional to 462,693.20, 638,518.34 and 269,147.36 is: 371,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,693.20 : 638,518.34 = 269,147.36 : x
  2. Step 2: Convert to fraction form
    462,693.20/638,518.34 = 269,147.36/x
  3. Step 3: Cross multiply
    462,693.20x = 638,518.34 × 269,147.36
  4. Step 4: Simplify right side
    462,693.20x = 171,855,525,522.58
  5. Step 5: Solve for x
    x = 171,855,525,522.58/462,693.20
  6. Step 6: Final answer
    x = 371,424.36

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1.5x scale

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.