Home / 405,446.90-559,528.40-224,170.53

Finding the Fourth Proportional to 405,446.90, 559,528.40 and 224,170.53

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Solution

The fourth proportional to 405,446.90, 559,528.40 and 224,170.53 is: 309,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,446.90 : 559,528.40 = 224,170.53 : x
  2. Step 2: Convert to fraction form
    405,446.90/559,528.40 = 224,170.53/x
  3. Step 3: Cross multiply
    405,446.90x = 559,528.40 × 224,170.53
  4. Step 4: Simplify right side
    405,446.90x = 125,429,778,538.48
  5. Step 5: Solve for x
    x = 125,429,778,538.48/405,446.90
  6. Step 6: Final answer
    x = 309,361.79

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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.