Home / 1,777,149.80-2,663,391.90-711,319.40

Finding the Fourth Proportional to 1,777,149.80, 2,663,391.90 and 711,319.40

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Solution

The fourth proportional to 1,777,149.80, 2,663,391.90 and 711,319.40 is: 1,066,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,149.80 : 2,663,391.90 = 711,319.40 : x
  2. Step 2: Convert to fraction form
    1,777,149.80/2,663,391.90 = 711,319.40/x
  3. Step 3: Cross multiply
    1,777,149.80x = 2,663,391.90 × 711,319.40
  4. Step 4: Simplify right side
    1,777,149.80x = 1,894,522,328,272.86
  5. Step 5: Solve for x
    x = 1,894,522,328,272.86/1,777,149.80
  6. Step 6: Final answer
    x = 1,066,045.38

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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.