Home / 697,079.60-1,045,619.40-416,452.40

Finding the Fourth Proportional to 697,079.60, 1,045,619.40 and 416,452.40

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Solution

The fourth proportional to 697,079.60, 1,045,619.40 and 416,452.40 is: 624,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,079.60 : 1,045,619.40 = 416,452.40 : x
  2. Step 2: Convert to fraction form
    697,079.60/1,045,619.40 = 416,452.40/x
  3. Step 3: Cross multiply
    697,079.60x = 1,045,619.40 × 416,452.40
  4. Step 4: Simplify right side
    697,079.60x = 435,450,708,616.56
  5. Step 5: Solve for x
    x = 435,450,708,616.56/697,079.60
  6. Step 6: Final answer
    x = 624,678.60

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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.