Home / 1,186,361.24-1,637,170.25-642,484.58

Finding the Fourth Proportional to 1,186,361.24, 1,637,170.25 and 642,484.58

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Solution

The fourth proportional to 1,186,361.24, 1,637,170.25 and 642,484.58 is: 886,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,361.24 : 1,637,170.25 = 642,484.58 : x
  2. Step 2: Convert to fraction form
    1,186,361.24/1,637,170.25 = 642,484.58/x
  3. Step 3: Cross multiply
    1,186,361.24x = 1,637,170.25 × 642,484.58
  4. Step 4: Simplify right side
    1,186,361.24x = 1,051,856,629,061.47
  5. Step 5: Solve for x
    x = 1,051,856,629,061.47/1,186,361.24
  6. Step 6: Final answer
    x = 886,624.24

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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.