Home / 715,244.80-1,072,996.80-359,363.20

Finding the Fourth Proportional to 715,244.80, 1,072,996.80 and 359,363.20

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Solution

The fourth proportional to 715,244.80, 1,072,996.80 and 359,363.20 is: 539,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,244.80 : 1,072,996.80 = 359,363.20 : x
  2. Step 2: Convert to fraction form
    715,244.80/1,072,996.80 = 359,363.20/x
  3. Step 3: Cross multiply
    715,244.80x = 1,072,996.80 × 359,363.20
  4. Step 4: Simplify right side
    715,244.80x = 385,595,563,637.76
  5. Step 5: Solve for x
    x = 385,595,563,637.76/715,244.80
  6. Step 6: Final answer
    x = 539,109.92

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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.