Home / 1,451,327.86-2,176,951.69-386,379.15

Finding the Fourth Proportional to 1,451,327.86, 2,176,951.69 and 386,379.15

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Solution

The fourth proportional to 1,451,327.86, 2,176,951.69 and 386,379.15 is: 579,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,327.86 : 2,176,951.69 = 386,379.15 : x
  2. Step 2: Convert to fraction form
    1,451,327.86/2,176,951.69 = 386,379.15/x
  3. Step 3: Cross multiply
    1,451,327.86x = 2,176,951.69 × 386,379.15
  4. Step 4: Simplify right side
    1,451,327.86x = 841,128,743,573.26
  5. Step 5: Solve for x
    x = 841,128,743,573.26/1,451,327.86
  6. Step 6: Final answer
    x = 579,558.05

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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.