Home / 960,165.60-1,440,248.40-329,085.60

Finding the Fourth Proportional to 960,165.60, 1,440,248.40 and 329,085.60

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Solution

The fourth proportional to 960,165.60, 1,440,248.40 and 329,085.60 is: 493,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,165.60 : 1,440,248.40 = 329,085.60 : x
  2. Step 2: Convert to fraction form
    960,165.60/1,440,248.40 = 329,085.60/x
  3. Step 3: Cross multiply
    960,165.60x = 1,440,248.40 × 329,085.60
  4. Step 4: Simplify right side
    960,165.60x = 473,965,008,863.04
  5. Step 5: Solve for x
    x = 473,965,008,863.04/960,165.60
  6. Step 6: Final answer
    x = 493,628.40

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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.