Home / 696,039.60-1,044,059.40-416,103.60

Finding the Fourth Proportional to 696,039.60, 1,044,059.40 and 416,103.60

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Solution

The fourth proportional to 696,039.60, 1,044,059.40 and 416,103.60 is: 624,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,039.60 : 1,044,059.40 = 416,103.60 : x
  2. Step 2: Convert to fraction form
    696,039.60/1,044,059.40 = 416,103.60/x
  3. Step 3: Cross multiply
    696,039.60x = 1,044,059.40 × 416,103.60
  4. Step 4: Simplify right side
    696,039.60x = 434,436,874,953.84
  5. Step 5: Solve for x
    x = 434,436,874,953.84/696,039.60
  6. Step 6: Final answer
    x = 624,155.40

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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.