Home / 1,853,863.20-2,780,794.80-657,136.80

Finding the Fourth Proportional to 1,853,863.20, 2,780,794.80 and 657,136.80

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Solution

The fourth proportional to 1,853,863.20, 2,780,794.80 and 657,136.80 is: 985,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,863.20 : 2,780,794.80 = 657,136.80 : x
  2. Step 2: Convert to fraction form
    1,853,863.20/2,780,794.80 = 657,136.80/x
  3. Step 3: Cross multiply
    1,853,863.20x = 2,780,794.80 × 657,136.80
  4. Step 4: Simplify right side
    1,853,863.20x = 1,827,362,596,328.64
  5. Step 5: Solve for x
    x = 1,827,362,596,328.64/1,853,863.20
  6. Step 6: Final answer
    x = 985,705.20

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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.