Home / 753,608.30-1,039,998.21-409,444.34

Finding the Fourth Proportional to 753,608.30, 1,039,998.21 and 409,444.34

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Solution

The fourth proportional to 753,608.30, 1,039,998.21 and 409,444.34 is: 565,043.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,608.30 : 1,039,998.21 = 409,444.34 : x
  2. Step 2: Convert to fraction form
    753,608.30/1,039,998.21 = 409,444.34/x
  3. Step 3: Cross multiply
    753,608.30x = 1,039,998.21 × 409,444.34
  4. Step 4: Simplify right side
    753,608.30x = 425,821,380,694.63
  5. Step 5: Solve for x
    x = 425,821,380,694.63/753,608.30
  6. Step 6: Final answer
    x = 565,043.38

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Double scale
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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.