Home / 1,131,806.88-1,697,349.96-373,507.20

Finding the Fourth Proportional to 1,131,806.88, 1,697,349.96 and 373,507.20

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Solution

The fourth proportional to 1,131,806.88, 1,697,349.96 and 373,507.20 is: 560,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,806.88 : 1,697,349.96 = 373,507.20 : x
  2. Step 2: Convert to fraction form
    1,131,806.88/1,697,349.96 = 373,507.20/x
  3. Step 3: Cross multiply
    1,131,806.88x = 1,697,349.96 × 373,507.20
  4. Step 4: Simplify right side
    1,131,806.88x = 633,972,430,979.71
  5. Step 5: Solve for x
    x = 633,972,430,979.71/1,131,806.88
  6. Step 6: Final answer
    x = 560,141.88

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Double scale
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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.