Home / 1,455,794.70-2,183,692.05-509,261.10

Finding the Fourth Proportional to 1,455,794.70, 2,183,692.05 and 509,261.10

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Solution

The fourth proportional to 1,455,794.70, 2,183,692.05 and 509,261.10 is: 763,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,794.70 : 2,183,692.05 = 509,261.10 : x
  2. Step 2: Convert to fraction form
    1,455,794.70/2,183,692.05 = 509,261.10/x
  3. Step 3: Cross multiply
    1,455,794.70x = 2,183,692.05 × 509,261.10
  4. Step 4: Simplify right side
    1,455,794.70x = 1,112,069,415,444.25
  5. Step 5: Solve for x
    x = 1,112,069,415,444.25/1,455,794.70
  6. Step 6: Final answer
    x = 763,891.65

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Double scale
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Similar ratio
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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.