Home / 788,458.70-1,182,688.05-367,777.10

Finding the Fourth Proportional to 788,458.70, 1,182,688.05 and 367,777.10

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Solution

The fourth proportional to 788,458.70, 1,182,688.05 and 367,777.10 is: 551,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,458.70 : 1,182,688.05 = 367,777.10 : x
  2. Step 2: Convert to fraction form
    788,458.70/1,182,688.05 = 367,777.10/x
  3. Step 3: Cross multiply
    788,458.70x = 1,182,688.05 × 367,777.10
  4. Step 4: Simplify right side
    788,458.70x = 434,965,581,233.66
  5. Step 5: Solve for x
    x = 434,965,581,233.66/788,458.70
  6. Step 6: Final answer
    x = 551,665.65

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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.