Home / 954,934.20-1,432,401.30-393,679.80

Finding the Fourth Proportional to 954,934.20, 1,432,401.30 and 393,679.80

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Solution

The fourth proportional to 954,934.20, 1,432,401.30 and 393,679.80 is: 590,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,934.20 : 1,432,401.30 = 393,679.80 : x
  2. Step 2: Convert to fraction form
    954,934.20/1,432,401.30 = 393,679.80/x
  3. Step 3: Cross multiply
    954,934.20x = 1,432,401.30 × 393,679.80
  4. Step 4: Simplify right side
    954,934.20x = 563,907,457,303.74
  5. Step 5: Solve for x
    x = 563,907,457,303.74/954,934.20
  6. Step 6: Final answer
    x = 590,519.70

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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.