Home / 857,933.18-1,183,455.89-535,082.77

Finding the Fourth Proportional to 857,933.18, 1,183,455.89 and 535,082.77

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Solution

The fourth proportional to 857,933.18, 1,183,455.89 and 535,082.77 is: 738,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,933.18 : 1,183,455.89 = 535,082.77 : x
  2. Step 2: Convert to fraction form
    857,933.18/1,183,455.89 = 535,082.77/x
  3. Step 3: Cross multiply
    857,933.18x = 1,183,455.89 × 535,082.77
  4. Step 4: Simplify right side
    857,933.18x = 633,246,850,159.96
  5. Step 5: Solve for x
    x = 633,246,850,159.96/857,933.18
  6. Step 6: Final answer
    x = 738,107.43

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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.