Home / 1,529,971.20-2,111,348.61-841,628.25

Finding the Fourth Proportional to 1,529,971.20, 2,111,348.61 and 841,628.25

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Solution

The fourth proportional to 1,529,971.20, 2,111,348.61 and 841,628.25 is: 1,161,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,971.20 : 2,111,348.61 = 841,628.25 : x
  2. Step 2: Convert to fraction form
    1,529,971.20/2,111,348.61 = 841,628.25/x
  3. Step 3: Cross multiply
    1,529,971.20x = 2,111,348.61 × 841,628.25
  4. Step 4: Simplify right side
    1,529,971.20x = 1,776,970,635,774.23
  5. Step 5: Solve for x
    x = 1,776,970,635,774.23/1,529,971.20
  6. Step 6: Final answer
    x = 1,161,440.58

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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.