Home / 419,567.60-579,001.56-228,580.40

Finding the Fourth Proportional to 419,567.60, 579,001.56 and 228,580.40

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Solution

The fourth proportional to 419,567.60, 579,001.56 and 228,580.40 is: 315,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,567.60 : 579,001.56 = 228,580.40 : x
  2. Step 2: Convert to fraction form
    419,567.60/579,001.56 = 228,580.40/x
  3. Step 3: Cross multiply
    419,567.60x = 579,001.56 × 228,580.40
  4. Step 4: Simplify right side
    419,567.60x = 132,348,408,185.42
  5. Step 5: Solve for x
    x = 132,348,408,185.42/419,567.60
  6. Step 6: Final answer
    x = 315,440.01

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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.