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Finding the Fourth Proportional to 934,561.73, 1,404,768.81 and 616,755.86

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Solution

The fourth proportional to 934,561.73, 1,404,768.81 and 616,755.86 is: 927,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,561.73 : 1,404,768.81 = 616,755.86 : x
  2. Step 2: Convert to fraction form
    934,561.73/1,404,768.81 = 616,755.86/x
  3. Step 3: Cross multiply
    934,561.73x = 1,404,768.81 × 616,755.86
  4. Step 4: Simplify right side
    934,561.73x = 866,399,399,024.65
  5. Step 5: Solve for x
    x = 866,399,399,024.65/934,561.73
  6. Step 6: Final answer
    x = 927,064.93

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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.