Home / 984,048.40-1,476,072.60-486,384.40

Finding the Fourth Proportional to 984,048.40, 1,476,072.60 and 486,384.40

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Solution

The fourth proportional to 984,048.40, 1,476,072.60 and 486,384.40 is: 729,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,048.40 : 1,476,072.60 = 486,384.40 : x
  2. Step 2: Convert to fraction form
    984,048.40/1,476,072.60 = 486,384.40/x
  3. Step 3: Cross multiply
    984,048.40x = 1,476,072.60 × 486,384.40
  4. Step 4: Simplify right side
    984,048.40x = 717,938,685,907.44
  5. Step 5: Solve for x
    x = 717,938,685,907.44/984,048.40
  6. Step 6: Final answer
    x = 729,576.60

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Double scale
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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.