Home / 672,066.40-1,008,099.60-173,430.40

Finding the Fourth Proportional to 672,066.40, 1,008,099.60 and 173,430.40

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Solution

The fourth proportional to 672,066.40, 1,008,099.60 and 173,430.40 is: 260,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,066.40 : 1,008,099.60 = 173,430.40 : x
  2. Step 2: Convert to fraction form
    672,066.40/1,008,099.60 = 173,430.40/x
  3. Step 3: Cross multiply
    672,066.40x = 1,008,099.60 × 173,430.40
  4. Step 4: Simplify right side
    672,066.40x = 174,835,116,867.84
  5. Step 5: Solve for x
    x = 174,835,116,867.84/672,066.40
  6. Step 6: Final answer
    x = 260,145.60

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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.