Home / 626,020.81-939,100.17-199,457.38

Finding the Fourth Proportional to 626,020.81, 939,100.17 and 199,457.38

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Solution

The fourth proportional to 626,020.81, 939,100.17 and 199,457.38 is: 299,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,020.81 : 939,100.17 = 199,457.38 : x
  2. Step 2: Convert to fraction form
    626,020.81/939,100.17 = 199,457.38/x
  3. Step 3: Cross multiply
    626,020.81x = 939,100.17 × 199,457.38
  4. Step 4: Simplify right side
    626,020.81x = 187,310,459,465.76
  5. Step 5: Solve for x
    x = 187,310,459,465.76/626,020.81
  6. Step 6: Final answer
    x = 299,208.04

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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.