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Finding the Fourth Proportional to 1,039,839, 1,559,758.50 and 374,991

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Solution

The fourth proportional to 1,039,839, 1,559,758.50 and 374,991 is: 562,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,839 : 1,559,758.50 = 374,991 : x
  2. Step 2: Convert to fraction form
    1,039,839/1,559,758.50 = 374,991/x
  3. Step 3: Cross multiply
    1,039,839x = 1,559,758.50 × 374,991
  4. Step 4: Simplify right side
    1,039,839x = 584,895,399,673.50
  5. Step 5: Solve for x
    x = 584,895,399,673.50/1,039,839
  6. Step 6: Final answer
    x = 562,486.50

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Similar ratio
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1.5x scale

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.