Home / 1,158,109.28-1,736,830.80-399,753.68

Finding the Fourth Proportional to 1,158,109.28, 1,736,830.80 and 399,753.68

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Solution

The fourth proportional to 1,158,109.28, 1,736,830.80 and 399,753.68 is: 599,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,109.28 : 1,736,830.80 = 399,753.68 : x
  2. Step 2: Convert to fraction form
    1,158,109.28/1,736,830.80 = 399,753.68/x
  3. Step 3: Cross multiply
    1,158,109.28x = 1,736,830.80 × 399,753.68
  4. Step 4: Simplify right side
    1,158,109.28x = 694,304,503,837.34
  5. Step 5: Solve for x
    x = 694,304,503,837.34/1,158,109.28
  6. Step 6: Final answer
    x = 599,515.53

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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.