Home / 492,529.42-738,836.04-155,479.90

Finding the Fourth Proportional to 492,529.42, 738,836.04 and 155,479.90

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Solution

The fourth proportional to 492,529.42, 738,836.04 and 155,479.90 is: 233,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,529.42 : 738,836.04 = 155,479.90 : x
  2. Step 2: Convert to fraction form
    492,529.42/738,836.04 = 155,479.90/x
  3. Step 3: Cross multiply
    492,529.42x = 738,836.04 × 155,479.90
  4. Step 4: Simplify right side
    492,529.42x = 114,874,153,615.60
  5. Step 5: Solve for x
    x = 114,874,153,615.60/492,529.42
  6. Step 6: Final answer
    x = 233,233.08

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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.