Home / 456,928.63-630,540.93-252,965.23

Finding the Fourth Proportional to 456,928.63, 630,540.93 and 252,965.23

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Solution

The fourth proportional to 456,928.63, 630,540.93 and 252,965.23 is: 349,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,928.63 : 630,540.93 = 252,965.23 : x
  2. Step 2: Convert to fraction form
    456,928.63/630,540.93 = 252,965.23/x
  3. Step 3: Cross multiply
    456,928.63x = 630,540.93 × 252,965.23
  4. Step 4: Simplify right side
    456,928.63x = 159,504,931,381.86
  5. Step 5: Solve for x
    x = 159,504,931,381.86/456,928.63
  6. Step 6: Final answer
    x = 349,080.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.