Home / 857,381.02-1,183,283.24-494,902.17

Finding the Fourth Proportional to 857,381.02, 1,183,283.24 and 494,902.17

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Solution

The fourth proportional to 857,381.02, 1,183,283.24 and 494,902.17 is: 683,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,381.02 : 1,183,283.24 = 494,902.17 : x
  2. Step 2: Convert to fraction form
    857,381.02/1,183,283.24 = 494,902.17/x
  3. Step 3: Cross multiply
    857,381.02x = 1,183,283.24 × 494,902.17
  4. Step 4: Simplify right side
    857,381.02x = 585,609,440,726.12
  5. Step 5: Solve for x
    x = 585,609,440,726.12/857,381.02
  6. Step 6: Final answer
    x = 683,021.23

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Double scale
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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.