Home / 864,848.51-1,296,219.96-612,200.60

Finding the Fourth Proportional to 864,848.51, 1,296,219.96 and 612,200.60

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Solution

The fourth proportional to 864,848.51, 1,296,219.96 and 612,200.60 is: 917,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,848.51 : 1,296,219.96 = 612,200.60 : x
  2. Step 2: Convert to fraction form
    864,848.51/1,296,219.96 = 612,200.60/x
  3. Step 3: Cross multiply
    864,848.51x = 1,296,219.96 × 612,200.60
  4. Step 4: Simplify right side
    864,848.51x = 793,546,630,762.88
  5. Step 5: Solve for x
    x = 793,546,630,762.88/864,848.51
  6. Step 6: Final answer
    x = 917,555.65

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1.5x scale

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.