Home / 977,104.60-1,465,656.90-416,195.80

Finding the Fourth Proportional to 977,104.60, 1,465,656.90 and 416,195.80

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Solution

The fourth proportional to 977,104.60, 1,465,656.90 and 416,195.80 is: 624,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,104.60 : 1,465,656.90 = 416,195.80 : x
  2. Step 2: Convert to fraction form
    977,104.60/1,465,656.90 = 416,195.80/x
  3. Step 3: Cross multiply
    977,104.60x = 1,465,656.90 × 416,195.80
  4. Step 4: Simplify right side
    977,104.60x = 610,000,246,021.02
  5. Step 5: Solve for x
    x = 610,000,246,021.02/977,104.60
  6. Step 6: Final answer
    x = 624,293.70

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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.