Home / 753,349.01-1,039,629.26-409,191.66

Finding the Fourth Proportional to 753,349.01, 1,039,629.26 and 409,191.66

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Solution

The fourth proportional to 753,349.01, 1,039,629.26 and 409,191.66 is: 564,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,349.01 : 1,039,629.26 = 409,191.66 : x
  2. Step 2: Convert to fraction form
    753,349.01/1,039,629.26 = 409,191.66/x
  3. Step 3: Cross multiply
    753,349.01x = 1,039,629.26 × 409,191.66
  4. Step 4: Simplify right side
    753,349.01x = 425,407,620,638.01
  5. Step 5: Solve for x
    x = 425,407,620,638.01/753,349.01
  6. Step 6: Final answer
    x = 564,688.63

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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.