Home / 1,446,385.21-1,995,607.59-1,139,509.06

Finding the Fourth Proportional to 1,446,385.21, 1,995,607.59 and 1,139,509.06

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Solution

The fourth proportional to 1,446,385.21, 1,995,607.59 and 1,139,509.06 is: 1,572,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,385.21 : 1,995,607.59 = 1,139,509.06 : x
  2. Step 2: Convert to fraction form
    1,446,385.21/1,995,607.59 = 1,139,509.06/x
  3. Step 3: Cross multiply
    1,446,385.21x = 1,995,607.59 × 1,139,509.06
  4. Step 4: Simplify right side
    1,446,385.21x = 2,274,012,919,031.73
  5. Step 5: Solve for x
    x = 2,274,012,919,031.73/1,446,385.21
  6. Step 6: Final answer
    x = 1,572,204.22

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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.