Home / 1,113,884.71-1,668,579.81-514,012.48

Finding the Fourth Proportional to 1,113,884.71, 1,668,579.81 and 514,012.48

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Solution

The fourth proportional to 1,113,884.71, 1,668,579.81 and 514,012.48 is: 769,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,884.71 : 1,668,579.81 = 514,012.48 : x
  2. Step 2: Convert to fraction form
    1,113,884.71/1,668,579.81 = 514,012.48/x
  3. Step 3: Cross multiply
    1,113,884.71x = 1,668,579.81 × 514,012.48
  4. Step 4: Simplify right side
    1,113,884.71x = 857,670,846,216.03
  5. Step 5: Solve for x
    x = 857,670,846,216.03/1,113,884.71
  6. Step 6: Final answer
    x = 769,981.70

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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.