Home / 1,218,557.72-1,681,662.14-674,693.43

Finding the Fourth Proportional to 1,218,557.72, 1,681,662.14 and 674,693.43

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Solution

The fourth proportional to 1,218,557.72, 1,681,662.14 and 674,693.43 is: 931,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,557.72 : 1,681,662.14 = 674,693.43 : x
  2. Step 2: Convert to fraction form
    1,218,557.72/1,681,662.14 = 674,693.43/x
  3. Step 3: Cross multiply
    1,218,557.72x = 1,681,662.14 × 674,693.43
  4. Step 4: Simplify right side
    1,218,557.72x = 1,134,606,403,442.64
  5. Step 5: Solve for x
    x = 1,134,606,403,442.64/1,218,557.72
  6. Step 6: Final answer
    x = 931,106.00

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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.