Home / 643,732.20-965,598.30-170,465.40

Finding the Fourth Proportional to 643,732.20, 965,598.30 and 170,465.40

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Solution

The fourth proportional to 643,732.20, 965,598.30 and 170,465.40 is: 255,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,732.20 : 965,598.30 = 170,465.40 : x
  2. Step 2: Convert to fraction form
    643,732.20/965,598.30 = 170,465.40/x
  3. Step 3: Cross multiply
    643,732.20x = 965,598.30 × 170,465.40
  4. Step 4: Simplify right side
    643,732.20x = 164,601,100,448.82
  5. Step 5: Solve for x
    x = 164,601,100,448.82/643,732.20
  6. Step 6: Final answer
    x = 255,698.10

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Similar ratio
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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.