Home / 854,466.60-1,281,699.90-223,444.20

Finding the Fourth Proportional to 854,466.60, 1,281,699.90 and 223,444.20

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Solution

The fourth proportional to 854,466.60, 1,281,699.90 and 223,444.20 is: 335,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,466.60 : 1,281,699.90 = 223,444.20 : x
  2. Step 2: Convert to fraction form
    854,466.60/1,281,699.90 = 223,444.20/x
  3. Step 3: Cross multiply
    854,466.60x = 1,281,699.90 × 223,444.20
  4. Step 4: Simplify right side
    854,466.60x = 286,388,408,795.58
  5. Step 5: Solve for x
    x = 286,388,408,795.58/854,466.60
  6. Step 6: Final answer
    x = 335,166.30

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Half scale
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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.