Home / 1,236,743.12-1,855,023.96-395,068.88

Finding the Fourth Proportional to 1,236,743.12, 1,855,023.96 and 395,068.88

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Solution

The fourth proportional to 1,236,743.12, 1,855,023.96 and 395,068.88 is: 592,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,743.12 : 1,855,023.96 = 395,068.88 : x
  2. Step 2: Convert to fraction form
    1,236,743.12/1,855,023.96 = 395,068.88/x
  3. Step 3: Cross multiply
    1,236,743.12x = 1,855,023.96 × 395,068.88
  4. Step 4: Simplify right side
    1,236,743.12x = 732,862,238,250.37
  5. Step 5: Solve for x
    x = 732,862,238,250.37/1,236,743.12
  6. Step 6: Final answer
    x = 592,574.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.