Home / 1,042,056.53-1,564,873.57-639,611.93

Finding the Fourth Proportional to 1,042,056.53, 1,564,873.57 and 639,611.93

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Solution

The fourth proportional to 1,042,056.53, 1,564,873.57 and 639,611.93 is: 960,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,056.53 : 1,564,873.57 = 639,611.93 : x
  2. Step 2: Convert to fraction form
    1,042,056.53/1,564,873.57 = 639,611.93/x
  3. Step 3: Cross multiply
    1,042,056.53x = 1,564,873.57 × 639,611.93
  4. Step 4: Simplify right side
    1,042,056.53x = 1,000,911,805,912.72
  5. Step 5: Solve for x
    x = 1,000,911,805,912.72/1,042,056.53
  6. Step 6: Final answer
    x = 960,515.85

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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.