Home / 380,869.60-571,304.40-194,245.60

Finding the Fourth Proportional to 380,869.60, 571,304.40 and 194,245.60

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Solution

The fourth proportional to 380,869.60, 571,304.40 and 194,245.60 is: 291,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,869.60 : 571,304.40 = 194,245.60 : x
  2. Step 2: Convert to fraction form
    380,869.60/571,304.40 = 194,245.60/x
  3. Step 3: Cross multiply
    380,869.60x = 571,304.40 × 194,245.60
  4. Step 4: Simplify right side
    380,869.60x = 110,973,365,960.64
  5. Step 5: Solve for x
    x = 110,973,365,960.64/380,869.60
  6. Step 6: Final answer
    x = 291,368.40

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1.5x scale

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.