Home / 456,334.54-684,515.78-156,810.85

Finding the Fourth Proportional to 456,334.54, 684,515.78 and 156,810.85

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Solution

The fourth proportional to 456,334.54, 684,515.78 and 156,810.85 is: 235,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,334.54 : 684,515.78 = 156,810.85 : x
  2. Step 2: Convert to fraction form
    456,334.54/684,515.78 = 156,810.85/x
  3. Step 3: Cross multiply
    456,334.54x = 684,515.78 × 156,810.85
  4. Step 4: Simplify right side
    456,334.54x = 107,339,501,300.21
  5. Step 5: Solve for x
    x = 107,339,501,300.21/456,334.54
  6. Step 6: Final answer
    x = 235,221.08

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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.