Home / 856,894.34-1,182,515.15-474,921.43

Finding the Fourth Proportional to 856,894.34, 1,182,515.15 and 474,921.43

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Solution

The fourth proportional to 856,894.34, 1,182,515.15 and 474,921.43 is: 655,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,894.34 : 1,182,515.15 = 474,921.43 : x
  2. Step 2: Convert to fraction form
    856,894.34/1,182,515.15 = 474,921.43/x
  3. Step 3: Cross multiply
    856,894.34x = 1,182,515.15 × 474,921.43
  4. Step 4: Simplify right side
    856,894.34x = 561,601,784,265.68
  5. Step 5: Solve for x
    x = 561,601,784,265.68/856,894.34
  6. Step 6: Final answer
    x = 655,392.10

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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.