Home / 1,073,130.40-1,609,695.60-325,079.20

Finding the Fourth Proportional to 1,073,130.40, 1,609,695.60 and 325,079.20

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Solution

The fourth proportional to 1,073,130.40, 1,609,695.60 and 325,079.20 is: 487,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,130.40 : 1,609,695.60 = 325,079.20 : x
  2. Step 2: Convert to fraction form
    1,073,130.40/1,609,695.60 = 325,079.20/x
  3. Step 3: Cross multiply
    1,073,130.40x = 1,609,695.60 × 325,079.20
  4. Step 4: Simplify right side
    1,073,130.40x = 523,278,557,891.52
  5. Step 5: Solve for x
    x = 523,278,557,891.52/1,073,130.40
  6. Step 6: Final answer
    x = 487,618.80

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Double scale
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Similar ratio
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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.