Home / 936,705.70-1,405,058.55-337,686.40

Finding the Fourth Proportional to 936,705.70, 1,405,058.55 and 337,686.40

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Solution

The fourth proportional to 936,705.70, 1,405,058.55 and 337,686.40 is: 506,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,705.70 : 1,405,058.55 = 337,686.40 : x
  2. Step 2: Convert to fraction form
    936,705.70/1,405,058.55 = 337,686.40/x
  3. Step 3: Cross multiply
    936,705.70x = 1,405,058.55 × 337,686.40
  4. Step 4: Simplify right side
    936,705.70x = 474,469,163,538.72
  5. Step 5: Solve for x
    x = 474,469,163,538.72/936,705.70
  6. Step 6: Final answer
    x = 506,529.60

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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.