Home / 936,706.20-1,405,059.30-337,686.90

Finding the Fourth Proportional to 936,706.20, 1,405,059.30 and 337,686.90

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Solution

The fourth proportional to 936,706.20, 1,405,059.30 and 337,686.90 is: 506,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,706.20 : 1,405,059.30 = 337,686.90 : x
  2. Step 2: Convert to fraction form
    936,706.20/1,405,059.30 = 337,686.90/x
  3. Step 3: Cross multiply
    936,706.20x = 1,405,059.30 × 337,686.90
  4. Step 4: Simplify right side
    936,706.20x = 474,470,119,333.17
  5. Step 5: Solve for x
    x = 474,470,119,333.17/936,706.20
  6. Step 6: Final answer
    x = 506,530.35

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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.