Home / 976,998.60-1,465,497.90-416,089.80

Finding the Fourth Proportional to 976,998.60, 1,465,497.90 and 416,089.80

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Solution

The fourth proportional to 976,998.60, 1,465,497.90 and 416,089.80 is: 624,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,998.60 : 1,465,497.90 = 416,089.80 : x
  2. Step 2: Convert to fraction form
    976,998.60/1,465,497.90 = 416,089.80/x
  3. Step 3: Cross multiply
    976,998.60x = 1,465,497.90 × 416,089.80
  4. Step 4: Simplify right side
    976,998.60x = 609,778,728,111.42
  5. Step 5: Solve for x
    x = 609,778,728,111.42/976,998.60
  6. Step 6: Final answer
    x = 624,134.70

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Half scale
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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.