Home / 736,087.96-1,015,795.65-409,403.96

Finding the Fourth Proportional to 736,087.96, 1,015,795.65 and 409,403.96

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Solution

The fourth proportional to 736,087.96, 1,015,795.65 and 409,403.96 is: 564,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,087.96 : 1,015,795.65 = 409,403.96 : x
  2. Step 2: Convert to fraction form
    736,087.96/1,015,795.65 = 409,403.96/x
  3. Step 3: Cross multiply
    736,087.96x = 1,015,795.65 × 409,403.96
  4. Step 4: Simplify right side
    736,087.96x = 415,870,761,660.77
  5. Step 5: Solve for x
    x = 415,870,761,660.77/736,087.96
  6. Step 6: Final answer
    x = 564,974.28

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.