Home / 715,838.58-1,073,591.82-316,261.53

Finding the Fourth Proportional to 715,838.58, 1,073,591.82 and 316,261.53

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Solution

The fourth proportional to 715,838.58, 1,073,591.82 and 316,261.53 is: 474,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,838.58 : 1,073,591.82 = 316,261.53 : x
  2. Step 2: Convert to fraction form
    715,838.58/1,073,591.82 = 316,261.53/x
  3. Step 3: Cross multiply
    715,838.58x = 1,073,591.82 × 316,261.53
  4. Step 4: Simplify right side
    715,838.58x = 339,535,791,588.69
  5. Step 5: Solve for x
    x = 339,535,791,588.69/715,838.58
  6. Step 6: Final answer
    x = 474,318.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.