Home / 1,189,044.88-1,783,562.52-430,708.86

Finding the Fourth Proportional to 1,189,044.88, 1,783,562.52 and 430,708.86

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Solution

The fourth proportional to 1,189,044.88, 1,783,562.52 and 430,708.86 is: 646,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,044.88 : 1,783,562.52 = 430,708.86 : x
  2. Step 2: Convert to fraction form
    1,189,044.88/1,783,562.52 = 430,708.86/x
  3. Step 3: Cross multiply
    1,189,044.88x = 1,783,562.52 × 430,708.86
  4. Step 4: Simplify right side
    1,189,044.88x = 768,196,179,727.93
  5. Step 5: Solve for x
    x = 768,196,179,727.93/1,189,044.88
  6. Step 6: Final answer
    x = 646,061.55

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1.5x scale

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.