Home / 943,938.79-1,302,623.77-514,209.69

Finding the Fourth Proportional to 943,938.79, 1,302,623.77 and 514,209.69

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Solution

The fourth proportional to 943,938.79, 1,302,623.77 and 514,209.69 is: 709,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,938.79 : 1,302,623.77 = 514,209.69 : x
  2. Step 2: Convert to fraction form
    943,938.79/1,302,623.77 = 514,209.69/x
  3. Step 3: Cross multiply
    943,938.79x = 1,302,623.77 × 514,209.69
  4. Step 4: Simplify right side
    943,938.79x = 669,821,764,958.33
  5. Step 5: Solve for x
    x = 669,821,764,958.33/943,938.79
  6. Step 6: Final answer
    x = 709,602.97

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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.