Home / 840,530.43-1,159,926.53-477,954.27

Finding the Fourth Proportional to 840,530.43, 1,159,926.53 and 477,954.27

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Solution

The fourth proportional to 840,530.43, 1,159,926.53 and 477,954.27 is: 659,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,530.43 : 1,159,926.53 = 477,954.27 : x
  2. Step 2: Convert to fraction form
    840,530.43/1,159,926.53 = 477,954.27/x
  3. Step 3: Cross multiply
    840,530.43x = 1,159,926.53 × 477,954.27
  4. Step 4: Simplify right side
    840,530.43x = 554,391,835,510.01
  5. Step 5: Solve for x
    x = 554,391,835,510.01/840,530.43
  6. Step 6: Final answer
    x = 659,573.78

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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.