Home / 451,353.90-677,030.85-291,921.60

Finding the Fourth Proportional to 451,353.90, 677,030.85 and 291,921.60

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Solution

The fourth proportional to 451,353.90, 677,030.85 and 291,921.60 is: 437,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,353.90 : 677,030.85 = 291,921.60 : x
  2. Step 2: Convert to fraction form
    451,353.90/677,030.85 = 291,921.60/x
  3. Step 3: Cross multiply
    451,353.90x = 677,030.85 × 291,921.60
  4. Step 4: Simplify right side
    451,353.90x = 197,639,928,981.36
  5. Step 5: Solve for x
    x = 197,639,928,981.36/451,353.90
  6. Step 6: Final answer
    x = 437,882.40

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Similar ratio
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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.