Home / 672,113.40-1,008,170.10-609,905.40

Finding the Fourth Proportional to 672,113.40, 1,008,170.10 and 609,905.40

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Solution

The fourth proportional to 672,113.40, 1,008,170.10 and 609,905.40 is: 914,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,113.40 : 1,008,170.10 = 609,905.40 : x
  2. Step 2: Convert to fraction form
    672,113.40/1,008,170.10 = 609,905.40/x
  3. Step 3: Cross multiply
    672,113.40x = 1,008,170.10 × 609,905.40
  4. Step 4: Simplify right side
    672,113.40x = 614,888,388,108.54
  5. Step 5: Solve for x
    x = 614,888,388,108.54/672,113.40
  6. Step 6: Final answer
    x = 914,858.10

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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.