Home / 835,950.40-1,253,757.96-409,302.40

Finding the Fourth Proportional to 835,950.40, 1,253,757.96 and 409,302.40

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Solution

The fourth proportional to 835,950.40, 1,253,757.96 and 409,302.40 is: 613,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,950.40 : 1,253,757.96 = 409,302.40 : x
  2. Step 2: Convert to fraction form
    835,950.40/1,253,757.96 = 409,302.40/x
  3. Step 3: Cross multiply
    835,950.40x = 1,253,757.96 × 409,302.40
  4. Step 4: Simplify right side
    835,950.40x = 513,166,142,047.10
  5. Step 5: Solve for x
    x = 513,166,142,047.10/835,950.40
  6. Step 6: Final answer
    x = 613,871.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.