Home / 1,087,592.40-1,631,388.60-377,692.20

Finding the Fourth Proportional to 1,087,592.40, 1,631,388.60 and 377,692.20

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Solution

The fourth proportional to 1,087,592.40, 1,631,388.60 and 377,692.20 is: 566,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,592.40 : 1,631,388.60 = 377,692.20 : x
  2. Step 2: Convert to fraction form
    1,087,592.40/1,631,388.60 = 377,692.20/x
  3. Step 3: Cross multiply
    1,087,592.40x = 1,631,388.60 × 377,692.20
  4. Step 4: Simplify right side
    1,087,592.40x = 616,162,749,388.92
  5. Step 5: Solve for x
    x = 616,162,749,388.92/1,087,592.40
  6. Step 6: Final answer
    x = 566,538.30

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Double scale
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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.