Home / 909,462.53-1,364,318.30-310,262.81

Finding the Fourth Proportional to 909,462.53, 1,364,318.30 and 310,262.81

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Solution

The fourth proportional to 909,462.53, 1,364,318.30 and 310,262.81 is: 465,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,462.53 : 1,364,318.30 = 310,262.81 : x
  2. Step 2: Convert to fraction form
    909,462.53/1,364,318.30 = 310,262.81/x
  3. Step 3: Cross multiply
    909,462.53x = 1,364,318.30 × 310,262.81
  4. Step 4: Simplify right side
    909,462.53x = 423,297,229,492.42
  5. Step 5: Solve for x
    x = 423,297,229,492.42/909,462.53
  6. Step 6: Final answer
    x = 465,436.69

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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.