Home / 1,853,893.80-2,780,840.70-655,855.20

Finding the Fourth Proportional to 1,853,893.80, 2,780,840.70 and 655,855.20

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Solution

The fourth proportional to 1,853,893.80, 2,780,840.70 and 655,855.20 is: 983,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,893.80 : 2,780,840.70 = 655,855.20 : x
  2. Step 2: Convert to fraction form
    1,853,893.80/2,780,840.70 = 655,855.20/x
  3. Step 3: Cross multiply
    1,853,893.80x = 2,780,840.70 × 655,855.20
  4. Step 4: Simplify right side
    1,853,893.80x = 1,823,828,833,466.64
  5. Step 5: Solve for x
    x = 1,823,828,833,466.64/1,853,893.80
  6. Step 6: Final answer
    x = 983,782.80

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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.