Home / 1,165,986.58-1,748,626.83-407,686.78

Finding the Fourth Proportional to 1,165,986.58, 1,748,626.83 and 407,686.78

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Solution

The fourth proportional to 1,165,986.58, 1,748,626.83 and 407,686.78 is: 611,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,986.58 : 1,748,626.83 = 407,686.78 : x
  2. Step 2: Convert to fraction form
    1,165,986.58/1,748,626.83 = 407,686.78/x
  3. Step 3: Cross multiply
    1,165,986.58x = 1,748,626.83 × 407,686.78
  4. Step 4: Simplify right side
    1,165,986.58x = 712,892,041,744.31
  5. Step 5: Solve for x
    x = 712,892,041,744.31/1,165,986.58
  6. Step 6: Final answer
    x = 611,406.73

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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.