Home / 883,777.46-1,219,652.91-521,216.60

Finding the Fourth Proportional to 883,777.46, 1,219,652.91 and 521,216.60

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Solution

The fourth proportional to 883,777.46, 1,219,652.91 and 521,216.60 is: 719,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,777.46 : 1,219,652.91 = 521,216.60 : x
  2. Step 2: Convert to fraction form
    883,777.46/1,219,652.91 = 521,216.60/x
  3. Step 3: Cross multiply
    883,777.46x = 1,219,652.91 × 521,216.60
  4. Step 4: Simplify right side
    883,777.46x = 635,703,336,832.04
  5. Step 5: Solve for x
    x = 635,703,336,832.04/883,777.46
  6. Step 6: Final answer
    x = 719,302.50

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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.