Home / 880,948.88-1,321,423.32-382,312.88

Finding the Fourth Proportional to 880,948.88, 1,321,423.32 and 382,312.88

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Solution

The fourth proportional to 880,948.88, 1,321,423.32 and 382,312.88 is: 573,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,948.88 : 1,321,423.32 = 382,312.88 : x
  2. Step 2: Convert to fraction form
    880,948.88/1,321,423.32 = 382,312.88/x
  3. Step 3: Cross multiply
    880,948.88x = 1,321,423.32 × 382,312.88
  4. Step 4: Simplify right side
    880,948.88x = 505,197,155,168.36
  5. Step 5: Solve for x
    x = 505,197,155,168.36/880,948.88
  6. Step 6: Final answer
    x = 573,469.32

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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.