Home / 612,044.47-844,721.58-509,907.97

Finding the Fourth Proportional to 612,044.47, 844,721.58 and 509,907.97

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Solution

The fourth proportional to 612,044.47, 844,721.58 and 509,907.97 is: 703,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,044.47 : 844,721.58 = 509,907.97 : x
  2. Step 2: Convert to fraction form
    612,044.47/844,721.58 = 509,907.97/x
  3. Step 3: Cross multiply
    612,044.47x = 844,721.58 × 509,907.97
  4. Step 4: Simplify right side
    612,044.47x = 430,730,266,072.99
  5. Step 5: Solve for x
    x = 430,730,266,072.99/612,044.47
  6. Step 6: Final answer
    x = 703,756.49

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1.5x scale

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.