Home / 1,778,655.87-2,668,057.56-516,483.48

Finding the Fourth Proportional to 1,778,655.87, 2,668,057.56 and 516,483.48

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Solution

The fourth proportional to 1,778,655.87, 2,668,057.56 and 516,483.48 is: 774,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,655.87 : 2,668,057.56 = 516,483.48 : x
  2. Step 2: Convert to fraction form
    1,778,655.87/2,668,057.56 = 516,483.48/x
  3. Step 3: Cross multiply
    1,778,655.87x = 2,668,057.56 × 516,483.48
  4. Step 4: Simplify right side
    1,778,655.87x = 1,378,007,653,429.11
  5. Step 5: Solve for x
    x = 1,378,007,653,429.11/1,778,655.87
  6. Step 6: Final answer
    x = 774,746.64

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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.