Home / 521,016.01-719,040.75-291,596.29

Finding the Fourth Proportional to 521,016.01, 719,040.75 and 291,596.29

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Solution

The fourth proportional to 521,016.01, 719,040.75 and 291,596.29 is: 402,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,016.01 : 719,040.75 = 291,596.29 : x
  2. Step 2: Convert to fraction form
    521,016.01/719,040.75 = 291,596.29/x
  3. Step 3: Cross multiply
    521,016.01x = 719,040.75 × 291,596.29
  4. Step 4: Simplify right side
    521,016.01x = 209,669,613,600.84
  5. Step 5: Solve for x
    x = 209,669,613,600.84/521,016.01
  6. Step 6: Final answer
    x = 402,424.51

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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.