Home / 877,536.25-1,315,309.29-403,241.56

Finding the Fourth Proportional to 877,536.25, 1,315,309.29 and 403,241.56

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Solution

The fourth proportional to 877,536.25, 1,315,309.29 and 403,241.56 is: 604,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,536.25 : 1,315,309.29 = 403,241.56 : x
  2. Step 2: Convert to fraction form
    877,536.25/1,315,309.29 = 403,241.56/x
  3. Step 3: Cross multiply
    877,536.25x = 1,315,309.29 × 403,241.56
  4. Step 4: Simplify right side
    877,536.25x = 530,387,369,982.09
  5. Step 5: Solve for x
    x = 530,387,369,982.09/877,536.25
  6. Step 6: Final answer
    x = 604,405.08

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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.