Home / 626,534.87-939,955.39-200,070.79

Finding the Fourth Proportional to 626,534.87, 939,955.39 and 200,070.79

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Solution

The fourth proportional to 626,534.87, 939,955.39 and 200,070.79 is: 300,155.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,534.87 : 939,955.39 = 200,070.79 : x
  2. Step 2: Convert to fraction form
    626,534.87/939,955.39 = 200,070.79/x
  3. Step 3: Cross multiply
    626,534.87x = 939,955.39 × 200,070.79
  4. Step 4: Simplify right side
    626,534.87x = 188,057,617,442.06
  5. Step 5: Solve for x
    x = 188,057,617,442.06/626,534.87
  6. Step 6: Final answer
    x = 300,155.07

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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.