Home / 729,054.92-1,006,094.40-406,745.84

Finding the Fourth Proportional to 729,054.92, 1,006,094.40 and 406,745.84

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Solution

The fourth proportional to 729,054.92, 1,006,094.40 and 406,745.84 is: 561,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,054.92 : 1,006,094.40 = 406,745.84 : x
  2. Step 2: Convert to fraction form
    729,054.92/1,006,094.40 = 406,745.84/x
  3. Step 3: Cross multiply
    729,054.92x = 1,006,094.40 × 406,745.84
  4. Step 4: Simplify right side
    729,054.92x = 409,224,711,847.30
  5. Step 5: Solve for x
    x = 409,224,711,847.30/729,054.92
  6. Step 6: Final answer
    x = 561,308.48

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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.