Home / 1,778,657.30-2,668,059.76-516,484.92

Finding the Fourth Proportional to 1,778,657.30, 2,668,059.76 and 516,484.92

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Solution

The fourth proportional to 1,778,657.30, 2,668,059.76 and 516,484.92 is: 774,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,657.30 : 2,668,059.76 = 516,484.92 : x
  2. Step 2: Convert to fraction form
    1,778,657.30/2,668,059.76 = 516,484.92/x
  3. Step 3: Cross multiply
    1,778,657.30x = 2,668,059.76 × 516,484.92
  4. Step 4: Simplify right side
    1,778,657.30x = 1,378,012,631,698.82
  5. Step 5: Solve for x
    x = 1,378,012,631,698.82/1,778,657.30
  6. Step 6: Final answer
    x = 774,748.81

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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.