Home / 1,309,695.40-1,806,301.38-772,633

Finding the Fourth Proportional to 1,309,695.40, 1,806,301.38 and 772,633

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Solution

The fourth proportional to 1,309,695.40, 1,806,301.38 and 772,633 is: 1,065,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,695.40 : 1,806,301.38 = 772,633 : x
  2. Step 2: Convert to fraction form
    1,309,695.40/1,806,301.38 = 772,633/x
  3. Step 3: Cross multiply
    1,309,695.40x = 1,806,301.38 × 772,633
  4. Step 4: Simplify right side
    1,309,695.40x = 1,395,608,054,133.54
  5. Step 5: Solve for x
    x = 1,395,608,054,133.54/1,309,695.40
  6. Step 6: Final answer
    x = 1,065,597.43

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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.