Home / 1,070,724.15-1,606,233.92-621,656.51

Finding the Fourth Proportional to 1,070,724.15, 1,606,233.92 and 621,656.51

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Solution

The fourth proportional to 1,070,724.15, 1,606,233.92 and 621,656.51 is: 932,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,724.15 : 1,606,233.92 = 621,656.51 : x
  2. Step 2: Convert to fraction form
    1,070,724.15/1,606,233.92 = 621,656.51/x
  3. Step 3: Cross multiply
    1,070,724.15x = 1,606,233.92 × 621,656.51
  4. Step 4: Simplify right side
    1,070,724.15x = 998,525,761,811.37
  5. Step 5: Solve for x
    x = 998,525,761,811.37/1,070,724.15
  6. Step 6: Final answer
    x = 932,570.51

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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.