Home / 857,872.73-1,184,006.29-476,022.53

Finding the Fourth Proportional to 857,872.73, 1,184,006.29 and 476,022.53

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Solution

The fourth proportional to 857,872.73, 1,184,006.29 and 476,022.53 is: 656,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,872.73 : 1,184,006.29 = 476,022.53 : x
  2. Step 2: Convert to fraction form
    857,872.73/1,184,006.29 = 476,022.53/x
  3. Step 3: Cross multiply
    857,872.73x = 1,184,006.29 × 476,022.53
  4. Step 4: Simplify right side
    857,872.73x = 563,613,669,701.71
  5. Step 5: Solve for x
    x = 563,613,669,701.71/857,872.73
  6. Step 6: Final answer
    x = 656,989.84

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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.