Home / 993,846.80-1,490,770.20-657,923.60

Finding the Fourth Proportional to 993,846.80, 1,490,770.20 and 657,923.60

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Solution

The fourth proportional to 993,846.80, 1,490,770.20 and 657,923.60 is: 986,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,846.80 : 1,490,770.20 = 657,923.60 : x
  2. Step 2: Convert to fraction form
    993,846.80/1,490,770.20 = 657,923.60/x
  3. Step 3: Cross multiply
    993,846.80x = 1,490,770.20 × 657,923.60
  4. Step 4: Simplify right side
    993,846.80x = 980,812,896,756.72
  5. Step 5: Solve for x
    x = 980,812,896,756.72/993,846.80
  6. Step 6: Final answer
    x = 986,885.40

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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.