Home / 1,537,118.40-2,305,761.70-638,651

Finding the Fourth Proportional to 1,537,118.40, 2,305,761.70 and 638,651

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Solution

The fourth proportional to 1,537,118.40, 2,305,761.70 and 638,651 is: 958,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,118.40 : 2,305,761.70 = 638,651 : x
  2. Step 2: Convert to fraction form
    1,537,118.40/2,305,761.70 = 638,651/x
  3. Step 3: Cross multiply
    1,537,118.40x = 2,305,761.70 × 638,651
  4. Step 4: Simplify right side
    1,537,118.40x = 1,472,577,015,466.70
  5. Step 5: Solve for x
    x = 1,472,577,015,466.70/1,537,118.40
  6. Step 6: Final answer
    x = 958,011.44

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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.