Home / 1,213,426.72-1,674,526.86-669,562.08

Finding the Fourth Proportional to 1,213,426.72, 1,674,526.86 and 669,562.08

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Solution

The fourth proportional to 1,213,426.72, 1,674,526.86 and 669,562.08 is: 923,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,426.72 : 1,674,526.86 = 669,562.08 : x
  2. Step 2: Convert to fraction form
    1,213,426.72/1,674,526.86 = 669,562.08/x
  3. Step 3: Cross multiply
    1,213,426.72x = 1,674,526.86 × 669,562.08
  4. Step 4: Simplify right side
    1,213,426.72x = 1,121,199,687,397.47
  5. Step 5: Solve for x
    x = 1,121,199,687,397.47/1,213,426.72
  6. Step 6: Final answer
    x = 923,994.56

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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.