Home / 1,086,753.24-1,628,009.28-711,639

Finding the Fourth Proportional to 1,086,753.24, 1,628,009.28 and 711,639

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Solution

The fourth proportional to 1,086,753.24, 1,628,009.28 and 711,639 is: 1,066,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,753.24 : 1,628,009.28 = 711,639 : x
  2. Step 2: Convert to fraction form
    1,086,753.24/1,628,009.28 = 711,639/x
  3. Step 3: Cross multiply
    1,086,753.24x = 1,628,009.28 × 711,639
  4. Step 4: Simplify right side
    1,086,753.24x = 1,158,554,896,009.92
  5. Step 5: Solve for x
    x = 1,158,554,896,009.92/1,086,753.24
  6. Step 6: Final answer
    x = 1,066,069.88

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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.