Home / 766,025.66-1,147,485.36-355,117.41

Finding the Fourth Proportional to 766,025.66, 1,147,485.36 and 355,117.41

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Solution

The fourth proportional to 766,025.66, 1,147,485.36 and 355,117.41 is: 531,956.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,025.66 : 1,147,485.36 = 355,117.41 : x
  2. Step 2: Convert to fraction form
    766,025.66/1,147,485.36 = 355,117.41/x
  3. Step 3: Cross multiply
    766,025.66x = 1,147,485.36 × 355,117.41
  4. Step 4: Simplify right side
    766,025.66x = 407,492,029,056.12
  5. Step 5: Solve for x
    x = 407,492,029,056.12/766,025.66
  6. Step 6: Final answer
    x = 531,956.11

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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.