Home / 1,151,436.96-1,590,222.24-876,572.64

Finding the Fourth Proportional to 1,151,436.96, 1,590,222.24 and 876,572.64

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Solution

The fourth proportional to 1,151,436.96, 1,590,222.24 and 876,572.64 is: 1,210,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,436.96 : 1,590,222.24 = 876,572.64 : x
  2. Step 2: Convert to fraction form
    1,151,436.96/1,590,222.24 = 876,572.64/x
  3. Step 3: Cross multiply
    1,151,436.96x = 1,590,222.24 × 876,572.64
  4. Step 4: Simplify right side
    1,151,436.96x = 1,393,945,307,103.51
  5. Step 5: Solve for x
    x = 1,393,945,307,103.51/1,151,436.96
  6. Step 6: Final answer
    x = 1,210,613.66

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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.