Home / 1,778,537.40-2,668,151.70-516,406.20

Finding the Fourth Proportional to 1,778,537.40, 2,668,151.70 and 516,406.20

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Solution

The fourth proportional to 1,778,537.40, 2,668,151.70 and 516,406.20 is: 774,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,537.40 : 2,668,151.70 = 516,406.20 : x
  2. Step 2: Convert to fraction form
    1,778,537.40/2,668,151.70 = 516,406.20/x
  3. Step 3: Cross multiply
    1,778,537.40x = 2,668,151.70 × 516,406.20
  4. Step 4: Simplify right side
    1,778,537.40x = 1,377,850,080,420.54
  5. Step 5: Solve for x
    x = 1,377,850,080,420.54/1,778,537.40
  6. Step 6: Final answer
    x = 774,709.65

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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.