Home / 697,055.60-1,045,583.40-276,114.80

Finding the Fourth Proportional to 697,055.60, 1,045,583.40 and 276,114.80

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Solution

The fourth proportional to 697,055.60, 1,045,583.40 and 276,114.80 is: 414,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,055.60 : 1,045,583.40 = 276,114.80 : x
  2. Step 2: Convert to fraction form
    697,055.60/1,045,583.40 = 276,114.80/x
  3. Step 3: Cross multiply
    697,055.60x = 1,045,583.40 × 276,114.80
  4. Step 4: Simplify right side
    697,055.60x = 288,701,051,374.32
  5. Step 5: Solve for x
    x = 288,701,051,374.32/697,055.60
  6. Step 6: Final answer
    x = 414,172.20

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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.