Home / 786,677.67-1,085,452.25-459,927.72

Finding the Fourth Proportional to 786,677.67, 1,085,452.25 and 459,927.72

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Solution

The fourth proportional to 786,677.67, 1,085,452.25 and 459,927.72 is: 634,604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,677.67 : 1,085,452.25 = 459,927.72 : x
  2. Step 2: Convert to fraction form
    786,677.67/1,085,452.25 = 459,927.72/x
  3. Step 3: Cross multiply
    786,677.67x = 1,085,452.25 × 459,927.72
  4. Step 4: Simplify right side
    786,677.67x = 499,229,576,211.73
  5. Step 5: Solve for x
    x = 499,229,576,211.73/786,677.67
  6. Step 6: Final answer
    x = 634,604.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.