Home / 926,910.80-1,390,366.20-673,000.10

Finding the Fourth Proportional to 926,910.80, 1,390,366.20 and 673,000.10

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Solution

The fourth proportional to 926,910.80, 1,390,366.20 and 673,000.10 is: 1,009,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,910.80 : 1,390,366.20 = 673,000.10 : x
  2. Step 2: Convert to fraction form
    926,910.80/1,390,366.20 = 673,000.10/x
  3. Step 3: Cross multiply
    926,910.80x = 1,390,366.20 × 673,000.10
  4. Step 4: Simplify right side
    926,910.80x = 935,716,591,636.62
  5. Step 5: Solve for x
    x = 935,716,591,636.62/926,910.80
  6. Step 6: Final answer
    x = 1,009,500.15

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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.