Home / 882,178.80-1,321,518.60-526,135.20

Finding the Fourth Proportional to 882,178.80, 1,321,518.60 and 526,135.20

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Solution

The fourth proportional to 882,178.80, 1,321,518.60 and 526,135.20 is: 788,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,178.80 : 1,321,518.60 = 526,135.20 : x
  2. Step 2: Convert to fraction form
    882,178.80/1,321,518.60 = 526,135.20/x
  3. Step 3: Cross multiply
    882,178.80x = 1,321,518.60 × 526,135.20
  4. Step 4: Simplify right side
    882,178.80x = 695,297,452,914.72
  5. Step 5: Solve for x
    x = 695,297,452,914.72/882,178.80
  6. Step 6: Final answer
    x = 788,159.33

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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.