Home / 1,116,606.40-1,674,391.20-485,195.20

Finding the Fourth Proportional to 1,116,606.40, 1,674,391.20 and 485,195.20

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Solution

The fourth proportional to 1,116,606.40, 1,674,391.20 and 485,195.20 is: 727,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,606.40 : 1,674,391.20 = 485,195.20 : x
  2. Step 2: Convert to fraction form
    1,116,606.40/1,674,391.20 = 485,195.20/x
  3. Step 3: Cross multiply
    1,116,606.40x = 1,674,391.20 × 485,195.20
  4. Step 4: Simplify right side
    1,116,606.40x = 812,406,573,162.24
  5. Step 5: Solve for x
    x = 812,406,573,162.24/1,116,606.40
  6. Step 6: Final answer
    x = 727,567.54

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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.