Home / 641,170.74-884,812.38-350,777.06

Finding the Fourth Proportional to 641,170.74, 884,812.38 and 350,777.06

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Solution

The fourth proportional to 641,170.74, 884,812.38 and 350,777.06 is: 484,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,170.74 : 884,812.38 = 350,777.06 : x
  2. Step 2: Convert to fraction form
    641,170.74/884,812.38 = 350,777.06/x
  3. Step 3: Cross multiply
    641,170.74x = 884,812.38 × 350,777.06
  4. Step 4: Simplify right side
    641,170.74x = 310,371,883,357.72
  5. Step 5: Solve for x
    x = 310,371,883,357.72/641,170.74
  6. Step 6: Final answer
    x = 484,070.57

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1.5x scale

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.