Home / 1,151,095.96-1,588,512.45-641,798.38

Finding the Fourth Proportional to 1,151,095.96, 1,588,512.45 and 641,798.38

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Solution

The fourth proportional to 1,151,095.96, 1,588,512.45 and 641,798.38 is: 885,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,095.96 : 1,588,512.45 = 641,798.38 : x
  2. Step 2: Convert to fraction form
    1,151,095.96/1,588,512.45 = 641,798.38/x
  3. Step 3: Cross multiply
    1,151,095.96x = 1,588,512.45 × 641,798.38
  4. Step 4: Simplify right side
    1,151,095.96x = 1,019,504,717,019.83
  5. Step 5: Solve for x
    x = 1,019,504,717,019.83/1,151,095.96
  6. Step 6: Final answer
    x = 885,681.78

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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.