Home / 993,846.30-1,490,769.45-657,923.10

Finding the Fourth Proportional to 993,846.30, 1,490,769.45 and 657,923.10

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Solution

The fourth proportional to 993,846.30, 1,490,769.45 and 657,923.10 is: 986,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,846.30 : 1,490,769.45 = 657,923.10 : x
  2. Step 2: Convert to fraction form
    993,846.30/1,490,769.45 = 657,923.10/x
  3. Step 3: Cross multiply
    993,846.30x = 1,490,769.45 × 657,923.10
  4. Step 4: Simplify right side
    993,846.30x = 980,811,657,929.30
  5. Step 5: Solve for x
    x = 980,811,657,929.30/993,846.30
  6. Step 6: Final answer
    x = 986,884.65

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Double scale
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Similar ratio
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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.