Home / 993,775.20-1,490,662.80-496,111.20

Finding the Fourth Proportional to 993,775.20, 1,490,662.80 and 496,111.20

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Solution

The fourth proportional to 993,775.20, 1,490,662.80 and 496,111.20 is: 744,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,775.20 : 1,490,662.80 = 496,111.20 : x
  2. Step 2: Convert to fraction form
    993,775.20/1,490,662.80 = 496,111.20/x
  3. Step 3: Cross multiply
    993,775.20x = 1,490,662.80 × 496,111.20
  4. Step 4: Simplify right side
    993,775.20x = 739,534,510,503.36
  5. Step 5: Solve for x
    x = 739,534,510,503.36/993,775.20
  6. Step 6: Final answer
    x = 744,166.80

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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.