Home / 857,936.34-1,183,948.53-475,963.12

Finding the Fourth Proportional to 857,936.34, 1,183,948.53 and 475,963.12

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Solution

The fourth proportional to 857,936.34, 1,183,948.53 and 475,963.12 is: 656,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,936.34 : 1,183,948.53 = 475,963.12 : x
  2. Step 2: Convert to fraction form
    857,936.34/1,183,948.53 = 475,963.12/x
  3. Step 3: Cross multiply
    857,936.34x = 1,183,948.53 × 475,963.12
  4. Step 4: Simplify right side
    857,936.34x = 563,515,836,258.21
  5. Step 5: Solve for x
    x = 563,515,836,258.21/857,936.34
  6. Step 6: Final answer
    x = 656,827.10

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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.