Home / 1,284,009.70-1,926,014.55-620,457.70

Finding the Fourth Proportional to 1,284,009.70, 1,926,014.55 and 620,457.70

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Solution

The fourth proportional to 1,284,009.70, 1,926,014.55 and 620,457.70 is: 930,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,009.70 : 1,926,014.55 = 620,457.70 : x
  2. Step 2: Convert to fraction form
    1,284,009.70/1,926,014.55 = 620,457.70/x
  3. Step 3: Cross multiply
    1,284,009.70x = 1,926,014.55 × 620,457.70
  4. Step 4: Simplify right side
    1,284,009.70x = 1,195,010,557,859.53
  5. Step 5: Solve for x
    x = 1,195,010,557,859.53/1,284,009.70
  6. Step 6: Final answer
    x = 930,686.55

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Similar ratio
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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.