Home / 1,213,567.56-1,674,711.54-669,708.36

Finding the Fourth Proportional to 1,213,567.56, 1,674,711.54 and 669,708.36

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Solution

The fourth proportional to 1,213,567.56, 1,674,711.54 and 669,708.36 is: 924,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,567.56 : 1,674,711.54 = 669,708.36 : x
  2. Step 2: Convert to fraction form
    1,213,567.56/1,674,711.54 = 669,708.36/x
  3. Step 3: Cross multiply
    1,213,567.56x = 1,674,711.54 × 669,708.36
  4. Step 4: Simplify right side
    1,213,567.56x = 1,121,568,318,926.47
  5. Step 5: Solve for x
    x = 1,121,568,318,926.47/1,213,567.56
  6. Step 6: Final answer
    x = 924,191.08

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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.