Home / 1,178,611.60-1,766,880.60-705,485.20

Finding the Fourth Proportional to 1,178,611.60, 1,766,880.60 and 705,485.20

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Solution

The fourth proportional to 1,178,611.60, 1,766,880.60 and 705,485.20 is: 1,057,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,611.60 : 1,766,880.60 = 705,485.20 : x
  2. Step 2: Convert to fraction form
    1,178,611.60/1,766,880.60 = 705,485.20/x
  3. Step 3: Cross multiply
    1,178,611.60x = 1,766,880.60 × 705,485.20
  4. Step 4: Simplify right side
    1,178,611.60x = 1,246,508,113,467.12
  5. Step 5: Solve for x
    x = 1,246,508,113,467.12/1,178,611.60
  6. Step 6: Final answer
    x = 1,057,607.20

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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.