Home / 1,151,520.47-1,588,584.76-667,805.28

Finding the Fourth Proportional to 1,151,520.47, 1,588,584.76 and 667,805.28

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Solution

The fourth proportional to 1,151,520.47, 1,588,584.76 and 667,805.28 is: 921,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,520.47 : 1,588,584.76 = 667,805.28 : x
  2. Step 2: Convert to fraction form
    1,151,520.47/1,588,584.76 = 667,805.28/x
  3. Step 3: Cross multiply
    1,151,520.47x = 1,588,584.76 × 667,805.28
  4. Step 4: Simplify right side
    1,151,520.47x = 1,060,865,282,828.83
  5. Step 5: Solve for x
    x = 1,060,865,282,828.83/1,151,520.47
  6. Step 6: Final answer
    x = 921,273.49

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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.