Home / 501,844.23-692,376.12-320,662.08

Finding the Fourth Proportional to 501,844.23, 692,376.12 and 320,662.08

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Solution

The fourth proportional to 501,844.23, 692,376.12 and 320,662.08 is: 442,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,844.23 : 692,376.12 = 320,662.08 : x
  2. Step 2: Convert to fraction form
    501,844.23/692,376.12 = 320,662.08/x
  3. Step 3: Cross multiply
    501,844.23x = 692,376.12 × 320,662.08
  4. Step 4: Simplify right side
    501,844.23x = 222,018,766,781.53
  5. Step 5: Solve for x
    x = 222,018,766,781.53/501,844.23
  6. Step 6: Final answer
    x = 442,405.74

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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.