Home / 1,728,518.70-2,592,000.45-663,206.70

Finding the Fourth Proportional to 1,728,518.70, 2,592,000.45 and 663,206.70

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Solution

The fourth proportional to 1,728,518.70, 2,592,000.45 and 663,206.70 is: 994,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,518.70 : 2,592,000.45 = 663,206.70 : x
  2. Step 2: Convert to fraction form
    1,728,518.70/2,592,000.45 = 663,206.70/x
  3. Step 3: Cross multiply
    1,728,518.70x = 2,592,000.45 × 663,206.70
  4. Step 4: Simplify right side
    1,728,518.70x = 1,719,032,064,843.02
  5. Step 5: Solve for x
    x = 1,719,032,064,843.02/1,728,518.70
  6. Step 6: Final answer
    x = 994,511.70

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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.