Home / 817,611.59-1,129,583.76-624,694.50

Finding the Fourth Proportional to 817,611.59, 1,129,583.76 and 624,694.50

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Solution

The fourth proportional to 817,611.59, 1,129,583.76 and 624,694.50 is: 863,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,611.59 : 1,129,583.76 = 624,694.50 : x
  2. Step 2: Convert to fraction form
    817,611.59/1,129,583.76 = 624,694.50/x
  3. Step 3: Cross multiply
    817,611.59x = 1,129,583.76 × 624,694.50
  4. Step 4: Simplify right side
    817,611.59x = 705,644,759,818.72
  5. Step 5: Solve for x
    x = 705,644,759,818.72/817,611.59
  6. Step 6: Final answer
    x = 863,056.21

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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.