Home / 462,739.24-638,648.58-292,989.16

Finding the Fourth Proportional to 462,739.24, 638,648.58 and 292,989.16

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Solution

The fourth proportional to 462,739.24, 638,648.58 and 292,989.16 is: 404,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,739.24 : 638,648.58 = 292,989.16 : x
  2. Step 2: Convert to fraction form
    462,739.24/638,648.58 = 292,989.16/x
  3. Step 3: Cross multiply
    462,739.24x = 638,648.58 × 292,989.16
  4. Step 4: Simplify right side
    462,739.24x = 187,117,110,989.39
  5. Step 5: Solve for x
    x = 187,117,110,989.39/462,739.24
  6. Step 6: Final answer
    x = 404,368.37

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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.