Home / 1,267,126.38-1,900,695.94-320,498.01

Finding the Fourth Proportional to 1,267,126.38, 1,900,695.94 and 320,498.01

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Solution

The fourth proportional to 1,267,126.38, 1,900,695.94 and 320,498.01 is: 480,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,126.38 : 1,900,695.94 = 320,498.01 : x
  2. Step 2: Convert to fraction form
    1,267,126.38/1,900,695.94 = 320,498.01/x
  3. Step 3: Cross multiply
    1,267,126.38x = 1,900,695.94 × 320,498.01
  4. Step 4: Simplify right side
    1,267,126.38x = 609,169,266,385.08
  5. Step 5: Solve for x
    x = 609,169,266,385.08/1,267,126.38
  6. Step 6: Final answer
    x = 480,748.63

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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.