Home / 993,904.80-1,490,857.20-362,839.20

Finding the Fourth Proportional to 993,904.80, 1,490,857.20 and 362,839.20

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Solution

The fourth proportional to 993,904.80, 1,490,857.20 and 362,839.20 is: 544,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,904.80 : 1,490,857.20 = 362,839.20 : x
  2. Step 2: Convert to fraction form
    993,904.80/1,490,857.20 = 362,839.20/x
  3. Step 3: Cross multiply
    993,904.80x = 1,490,857.20 × 362,839.20
  4. Step 4: Simplify right side
    993,904.80x = 540,941,433,762.24
  5. Step 5: Solve for x
    x = 540,941,433,762.24/993,904.80
  6. Step 6: Final answer
    x = 544,258.80

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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.