Home / 1,038,107.52-1,431,693.36-675,398.88

Finding the Fourth Proportional to 1,038,107.52, 1,431,693.36 and 675,398.88

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Solution

The fourth proportional to 1,038,107.52, 1,431,693.36 and 675,398.88 is: 931,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,107.52 : 1,431,693.36 = 675,398.88 : x
  2. Step 2: Convert to fraction form
    1,038,107.52/1,431,693.36 = 675,398.88/x
  3. Step 3: Cross multiply
    1,038,107.52x = 1,431,693.36 × 675,398.88
  4. Step 4: Simplify right side
    1,038,107.52x = 966,964,091,847.44
  5. Step 5: Solve for x
    x = 966,964,091,847.44/1,038,107.52
  6. Step 6: Final answer
    x = 931,468.15

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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.