Home / 658,651.14-908,938.40-356,845.14

Finding the Fourth Proportional to 658,651.14, 908,938.40 and 356,845.14

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Solution

The fourth proportional to 658,651.14, 908,938.40 and 356,845.14 is: 492,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,651.14 : 908,938.40 = 356,845.14 : x
  2. Step 2: Convert to fraction form
    658,651.14/908,938.40 = 356,845.14/x
  3. Step 3: Cross multiply
    658,651.14x = 908,938.40 × 356,845.14
  4. Step 4: Simplify right side
    658,651.14x = 324,350,248,815.15
  5. Step 5: Solve for x
    x = 324,350,248,815.15/658,651.14
  6. Step 6: Final answer
    x = 492,446.20

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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.