Home / 528,005.96-792,090.30-172,934.36

Finding the Fourth Proportional to 528,005.96, 792,090.30 and 172,934.36

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Solution

The fourth proportional to 528,005.96, 792,090.30 and 172,934.36 is: 259,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,005.96 : 792,090.30 = 172,934.36 : x
  2. Step 2: Convert to fraction form
    528,005.96/792,090.30 = 172,934.36/x
  3. Step 3: Cross multiply
    528,005.96x = 792,090.30 × 172,934.36
  4. Step 4: Simplify right side
    528,005.96x = 136,979,629,092.71
  5. Step 5: Solve for x
    x = 136,979,629,092.71/528,005.96
  6. Step 6: Final answer
    x = 259,428.19

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1.5x scale

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.