Home / 1,311,242.47-1,967,000.05-501,625.06

Finding the Fourth Proportional to 1,311,242.47, 1,967,000.05 and 501,625.06

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Solution

The fourth proportional to 1,311,242.47, 1,967,000.05 and 501,625.06 is: 752,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,242.47 : 1,967,000.05 = 501,625.06 : x
  2. Step 2: Convert to fraction form
    1,311,242.47/1,967,000.05 = 501,625.06/x
  3. Step 3: Cross multiply
    1,311,242.47x = 1,967,000.05 × 501,625.06
  4. Step 4: Simplify right side
    1,311,242.47x = 986,696,513,810.78
  5. Step 5: Solve for x
    x = 986,696,513,810.78/1,311,242.47
  6. Step 6: Final answer
    x = 752,489.75

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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.