Home / 374,958.28-517,441.06-202,875.72

Finding the Fourth Proportional to 374,958.28, 517,441.06 and 202,875.72

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Solution

The fourth proportional to 374,958.28, 517,441.06 and 202,875.72 is: 279,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,958.28 : 517,441.06 = 202,875.72 : x
  2. Step 2: Convert to fraction form
    374,958.28/517,441.06 = 202,875.72/x
  3. Step 3: Cross multiply
    374,958.28x = 517,441.06 × 202,875.72
  4. Step 4: Simplify right side
    374,958.28x = 104,976,227,605.06
  5. Step 5: Solve for x
    x = 104,976,227,605.06/374,958.28
  6. Step 6: Final answer
    x = 279,967.75

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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.