Home / 672,093.90-1,008,140.85-620,772.30

Finding the Fourth Proportional to 672,093.90, 1,008,140.85 and 620,772.30

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Solution

The fourth proportional to 672,093.90, 1,008,140.85 and 620,772.30 is: 931,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,093.90 : 1,008,140.85 = 620,772.30 : x
  2. Step 2: Convert to fraction form
    672,093.90/1,008,140.85 = 620,772.30/x
  3. Step 3: Cross multiply
    672,093.90x = 1,008,140.85 × 620,772.30
  4. Step 4: Simplify right side
    672,093.90x = 625,825,914,178.46
  5. Step 5: Solve for x
    x = 625,825,914,178.46/672,093.90
  6. Step 6: Final answer
    x = 931,158.45

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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.