Home / 464,919.80-697,379.70-127,959.80

Finding the Fourth Proportional to 464,919.80, 697,379.70 and 127,959.80

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Solution

The fourth proportional to 464,919.80, 697,379.70 and 127,959.80 is: 191,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,919.80 : 697,379.70 = 127,959.80 : x
  2. Step 2: Convert to fraction form
    464,919.80/697,379.70 = 127,959.80/x
  3. Step 3: Cross multiply
    464,919.80x = 697,379.70 × 127,959.80
  4. Step 4: Simplify right side
    464,919.80x = 89,236,566,936.06
  5. Step 5: Solve for x
    x = 89,236,566,936.06/464,919.80
  6. Step 6: Final answer
    x = 191,939.70

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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.