Home / 692,860.43-956,137.29-386,933.58

Finding the Fourth Proportional to 692,860.43, 956,137.29 and 386,933.58

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Solution

The fourth proportional to 692,860.43, 956,137.29 and 386,933.58 is: 533,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,860.43 : 956,137.29 = 386,933.58 : x
  2. Step 2: Convert to fraction form
    692,860.43/956,137.29 = 386,933.58/x
  3. Step 3: Cross multiply
    692,860.43x = 956,137.29 × 386,933.58
  4. Step 4: Simplify right side
    692,860.43x = 369,961,624,591.20
  5. Step 5: Solve for x
    x = 369,961,624,591.20/692,860.43
  6. Step 6: Final answer
    x = 533,962.70

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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.