Home / 1,784,854.86-2,678,346.09-647,705.85

Finding the Fourth Proportional to 1,784,854.86, 2,678,346.09 and 647,705.85

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Solution

The fourth proportional to 1,784,854.86, 2,678,346.09 and 647,705.85 is: 971,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,854.86 : 2,678,346.09 = 647,705.85 : x
  2. Step 2: Convert to fraction form
    1,784,854.86/2,678,346.09 = 647,705.85/x
  3. Step 3: Cross multiply
    1,784,854.86x = 2,678,346.09 × 647,705.85
  4. Step 4: Simplify right side
    1,784,854.86x = 1,734,780,430,817.63
  5. Step 5: Solve for x
    x = 1,734,780,430,817.63/1,784,854.86
  6. Step 6: Final answer
    x = 971,944.82

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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.