Home / 2,321,591.40-3,482,387.10-638,692.20

Finding the Fourth Proportional to 2,321,591.40, 3,482,387.10 and 638,692.20

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Solution

The fourth proportional to 2,321,591.40, 3,482,387.10 and 638,692.20 is: 958,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,591.40 : 3,482,387.10 = 638,692.20 : x
  2. Step 2: Convert to fraction form
    2,321,591.40/3,482,387.10 = 638,692.20/x
  3. Step 3: Cross multiply
    2,321,591.40x = 3,482,387.10 × 638,692.20
  4. Step 4: Simplify right side
    2,321,591.40x = 2,224,173,478,150.62
  5. Step 5: Solve for x
    x = 2,224,173,478,150.62/2,321,591.40
  6. Step 6: Final answer
    x = 958,038.30

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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.