Home / 1,213,645.54-1,674,827.40-669,777.38

Finding the Fourth Proportional to 1,213,645.54, 1,674,827.40 and 669,777.38

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Solution

The fourth proportional to 1,213,645.54, 1,674,827.40 and 669,777.38 is: 924,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,645.54 : 1,674,827.40 = 669,777.38 : x
  2. Step 2: Convert to fraction form
    1,213,645.54/1,674,827.40 = 669,777.38/x
  3. Step 3: Cross multiply
    1,213,645.54x = 1,674,827.40 × 669,777.38
  4. Step 4: Simplify right side
    1,213,645.54x = 1,121,761,507,924.21
  5. Step 5: Solve for x
    x = 1,121,761,507,924.21/1,213,645.54
  6. Step 6: Final answer
    x = 924,290.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.