Home / 1,107,861.40-1,661,792.10-359,907.40

Finding the Fourth Proportional to 1,107,861.40, 1,661,792.10 and 359,907.40

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Solution

The fourth proportional to 1,107,861.40, 1,661,792.10 and 359,907.40 is: 539,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,861.40 : 1,661,792.10 = 359,907.40 : x
  2. Step 2: Convert to fraction form
    1,107,861.40/1,661,792.10 = 359,907.40/x
  3. Step 3: Cross multiply
    1,107,861.40x = 1,661,792.10 × 359,907.40
  4. Step 4: Simplify right side
    1,107,861.40x = 598,091,274,051.54
  5. Step 5: Solve for x
    x = 598,091,274,051.54/1,107,861.40
  6. Step 6: Final answer
    x = 539,861.10

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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.