Home / 993,952.80-1,490,929.20-329,104.80

Finding the Fourth Proportional to 993,952.80, 1,490,929.20 and 329,104.80

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Solution

The fourth proportional to 993,952.80, 1,490,929.20 and 329,104.80 is: 493,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,952.80 : 1,490,929.20 = 329,104.80 : x
  2. Step 2: Convert to fraction form
    993,952.80/1,490,929.20 = 329,104.80/x
  3. Step 3: Cross multiply
    993,952.80x = 1,490,929.20 × 329,104.80
  4. Step 4: Simplify right side
    993,952.80x = 490,671,956,180.16
  5. Step 5: Solve for x
    x = 490,671,956,180.16/993,952.80
  6. Step 6: Final answer
    x = 493,657.20

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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.