Home / 620,720.28-931,061.92-171,468.08

Finding the Fourth Proportional to 620,720.28, 931,061.92 and 171,468.08

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Solution

The fourth proportional to 620,720.28, 931,061.92 and 171,468.08 is: 257,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,720.28 : 931,061.92 = 171,468.08 : x
  2. Step 2: Convert to fraction form
    620,720.28/931,061.92 = 171,468.08/x
  3. Step 3: Cross multiply
    620,720.28x = 931,061.92 × 171,468.08
  4. Step 4: Simplify right side
    620,720.28x = 159,647,399,783.51
  5. Step 5: Solve for x
    x = 159,647,399,783.51/620,720.28
  6. Step 6: Final answer
    x = 257,197.01

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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.