Home / 458,280.28-686,607.06-191,453.56

Finding the Fourth Proportional to 458,280.28, 686,607.06 and 191,453.56

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Solution

The fourth proportional to 458,280.28, 686,607.06 and 191,453.56 is: 286,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,280.28 : 686,607.06 = 191,453.56 : x
  2. Step 2: Convert to fraction form
    458,280.28/686,607.06 = 191,453.56/x
  3. Step 3: Cross multiply
    458,280.28x = 686,607.06 × 191,453.56
  4. Step 4: Simplify right side
    458,280.28x = 131,453,365,958.13
  5. Step 5: Solve for x
    x = 131,453,365,958.13/458,280.28
  6. Step 6: Final answer
    x = 286,840.55

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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.