Home / 520,664.03-718,506.84-294,309.53

Finding the Fourth Proportional to 520,664.03, 718,506.84 and 294,309.53

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Solution

The fourth proportional to 520,664.03, 718,506.84 and 294,309.53 is: 406,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,664.03 : 718,506.84 = 294,309.53 : x
  2. Step 2: Convert to fraction form
    520,664.03/718,506.84 = 294,309.53/x
  3. Step 3: Cross multiply
    520,664.03x = 718,506.84 × 294,309.53
  4. Step 4: Simplify right side
    520,664.03x = 211,463,408,153.04
  5. Step 5: Solve for x
    x = 211,463,408,153.04/520,664.03
  6. Step 6: Final answer
    x = 406,141.77

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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.