Home / 845,500.20-1,166,790.27-463,529.64

Finding the Fourth Proportional to 845,500.20, 1,166,790.27 and 463,529.64

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Solution

The fourth proportional to 845,500.20, 1,166,790.27 and 463,529.64 is: 639,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,500.20 : 1,166,790.27 = 463,529.64 : x
  2. Step 2: Convert to fraction form
    845,500.20/1,166,790.27 = 463,529.64/x
  3. Step 3: Cross multiply
    845,500.20x = 1,166,790.27 × 463,529.64
  4. Step 4: Simplify right side
    845,500.20x = 540,841,873,808.60
  5. Step 5: Solve for x
    x = 540,841,873,808.60/845,500.20
  6. Step 6: Final answer
    x = 639,670.90

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1.5x scale

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.