Home / 1,352,833.47-1,868,165.24-1,012,711.23

Finding the Fourth Proportional to 1,352,833.47, 1,868,165.24 and 1,012,711.23

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Solution

The fourth proportional to 1,352,833.47, 1,868,165.24 and 1,012,711.23 is: 1,398,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,833.47 : 1,868,165.24 = 1,012,711.23 : x
  2. Step 2: Convert to fraction form
    1,352,833.47/1,868,165.24 = 1,012,711.23/x
  3. Step 3: Cross multiply
    1,352,833.47x = 1,868,165.24 × 1,012,711.23
  4. Step 4: Simplify right side
    1,352,833.47x = 1,891,911,912,980.09
  5. Step 5: Solve for x
    x = 1,891,911,912,980.09/1,352,833.47
  6. Step 6: Final answer
    x = 1,398,481.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.