Home / 1,863,442.80-2,794,508.10-665,404.20

Finding the Fourth Proportional to 1,863,442.80, 2,794,508.10 and 665,404.20

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Solution

The fourth proportional to 1,863,442.80, 2,794,508.10 and 665,404.20 is: 997,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,442.80 : 2,794,508.10 = 665,404.20 : x
  2. Step 2: Convert to fraction form
    1,863,442.80/2,794,508.10 = 665,404.20/x
  3. Step 3: Cross multiply
    1,863,442.80x = 2,794,508.10 × 665,404.20
  4. Step 4: Simplify right side
    1,863,442.80x = 1,859,477,426,674.02
  5. Step 5: Solve for x
    x = 1,859,477,426,674.02/1,863,442.80
  6. Step 6: Final answer
    x = 997,872.02

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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.