Home / 842,424.50-1,263,636.75-251,448.50

Finding the Fourth Proportional to 842,424.50, 1,263,636.75 and 251,448.50

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Solution

The fourth proportional to 842,424.50, 1,263,636.75 and 251,448.50 is: 377,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,424.50 : 1,263,636.75 = 251,448.50 : x
  2. Step 2: Convert to fraction form
    842,424.50/1,263,636.75 = 251,448.50/x
  3. Step 3: Cross multiply
    842,424.50x = 1,263,636.75 × 251,448.50
  4. Step 4: Simplify right side
    842,424.50x = 317,739,565,332.38
  5. Step 5: Solve for x
    x = 317,739,565,332.38/842,424.50
  6. Step 6: Final answer
    x = 377,172.75

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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.