Home / 1,528,268.28-2,108,999.34-830,543.82

Finding the Fourth Proportional to 1,528,268.28, 2,108,999.34 and 830,543.82

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Solution

The fourth proportional to 1,528,268.28, 2,108,999.34 and 830,543.82 is: 1,146,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,268.28 : 2,108,999.34 = 830,543.82 : x
  2. Step 2: Convert to fraction form
    1,528,268.28/2,108,999.34 = 830,543.82/x
  3. Step 3: Cross multiply
    1,528,268.28x = 2,108,999.34 × 830,543.82
  4. Step 4: Simplify right side
    1,528,268.28x = 1,751,616,368,221.08
  5. Step 5: Solve for x
    x = 1,751,616,368,221.08/1,528,268.28
  6. Step 6: Final answer
    x = 1,146,144.56

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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.