Home / 746,528.40-1,119,792.60-613,558.80

Finding the Fourth Proportional to 746,528.40, 1,119,792.60 and 613,558.80

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Solution

The fourth proportional to 746,528.40, 1,119,792.60 and 613,558.80 is: 920,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,528.40 : 1,119,792.60 = 613,558.80 : x
  2. Step 2: Convert to fraction form
    746,528.40/1,119,792.60 = 613,558.80/x
  3. Step 3: Cross multiply
    746,528.40x = 1,119,792.60 × 613,558.80
  4. Step 4: Simplify right side
    746,528.40x = 687,058,603,904.88
  5. Step 5: Solve for x
    x = 687,058,603,904.88/746,528.40
  6. Step 6: Final answer
    x = 920,338.20

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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.