Home / 1,270,473.72-1,896,571.84-1,088,600.72

Finding the Fourth Proportional to 1,270,473.72, 1,896,571.84 and 1,088,600.72

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Solution

The fourth proportional to 1,270,473.72, 1,896,571.84 and 1,088,600.72 is: 1,625,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,473.72 : 1,896,571.84 = 1,088,600.72 : x
  2. Step 2: Convert to fraction form
    1,270,473.72/1,896,571.84 = 1,088,600.72/x
  3. Step 3: Cross multiply
    1,270,473.72x = 1,896,571.84 × 1,088,600.72
  4. Step 4: Simplify right side
    1,270,473.72x = 2,064,609,470,555.73
  5. Step 5: Solve for x
    x = 2,064,609,470,555.73/1,270,473.72
  6. Step 6: Final answer
    x = 1,625,070.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.