Home / 456,904.68-685,430.46-157,311.60

Finding the Fourth Proportional to 456,904.68, 685,430.46 and 157,311.60

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Solution

The fourth proportional to 456,904.68, 685,430.46 and 157,311.60 is: 235,992.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,904.68 : 685,430.46 = 157,311.60 : x
  2. Step 2: Convert to fraction form
    456,904.68/685,430.46 = 157,311.60/x
  3. Step 3: Cross multiply
    456,904.68x = 685,430.46 × 157,311.60
  4. Step 4: Simplify right side
    456,904.68x = 107,826,162,351.34
  5. Step 5: Solve for x
    x = 107,826,162,351.34/456,904.68
  6. Step 6: Final answer
    x = 235,992.69

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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.