Home / 1,266,796.80-1,748,174.40-693,872.64

Finding the Fourth Proportional to 1,266,796.80, 1,748,174.40 and 693,872.64

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Solution

The fourth proportional to 1,266,796.80, 1,748,174.40 and 693,872.64 is: 957,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,796.80 : 1,748,174.40 = 693,872.64 : x
  2. Step 2: Convert to fraction form
    1,266,796.80/1,748,174.40 = 693,872.64/x
  3. Step 3: Cross multiply
    1,266,796.80x = 1,748,174.40 × 693,872.64
  4. Step 4: Simplify right side
    1,266,796.80x = 1,213,010,386,108.42
  5. Step 5: Solve for x
    x = 1,213,010,386,108.42/1,266,796.80
  6. Step 6: Final answer
    x = 957,541.40

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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.