Home / 380,549.16-570,829.32-180,890.04

Finding the Fourth Proportional to 380,549.16, 570,829.32 and 180,890.04

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Solution

The fourth proportional to 380,549.16, 570,829.32 and 180,890.04 is: 271,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,549.16 : 570,829.32 = 180,890.04 : x
  2. Step 2: Convert to fraction form
    380,549.16/570,829.32 = 180,890.04/x
  3. Step 3: Cross multiply
    380,549.16x = 570,829.32 × 180,890.04
  4. Step 4: Simplify right side
    380,549.16x = 103,257,338,527.97
  5. Step 5: Solve for x
    x = 103,257,338,527.97/380,549.16
  6. Step 6: Final answer
    x = 271,337.71

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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.