Home / 745,680.84-1,028,687.76-504,047.76

Finding the Fourth Proportional to 745,680.84, 1,028,687.76 and 504,047.76

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Solution

The fourth proportional to 745,680.84, 1,028,687.76 and 504,047.76 is: 695,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,680.84 : 1,028,687.76 = 504,047.76 : x
  2. Step 2: Convert to fraction form
    745,680.84/1,028,687.76 = 504,047.76/x
  3. Step 3: Cross multiply
    745,680.84x = 1,028,687.76 × 504,047.76
  4. Step 4: Simplify right side
    745,680.84x = 518,507,761,167.42
  5. Step 5: Solve for x
    x = 518,507,761,167.42/745,680.84
  6. Step 6: Final answer
    x = 695,348.11

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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.