Home / 1,528,485.27-2,105,664.06-1,068,739.59

Finding the Fourth Proportional to 1,528,485.27, 2,105,664.06 and 1,068,739.59

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Solution

The fourth proportional to 1,528,485.27, 2,105,664.06 and 1,068,739.59 is: 1,472,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,485.27 : 2,105,664.06 = 1,068,739.59 : x
  2. Step 2: Convert to fraction form
    1,528,485.27/2,105,664.06 = 1,068,739.59/x
  3. Step 3: Cross multiply
    1,528,485.27x = 2,105,664.06 × 1,068,739.59
  4. Step 4: Simplify right side
    1,528,485.27x = 2,250,406,544,162.14
  5. Step 5: Solve for x
    x = 2,250,406,544,162.14/1,528,485.27
  6. Step 6: Final answer
    x = 1,472,311.57

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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.