Home / 757,325.40-1,134,605.70-616,320.60

Finding the Fourth Proportional to 757,325.40, 1,134,605.70 and 616,320.60

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Solution

The fourth proportional to 757,325.40, 1,134,605.70 and 616,320.60 is: 923,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,325.40 : 1,134,605.70 = 616,320.60 : x
  2. Step 2: Convert to fraction form
    757,325.40/1,134,605.70 = 616,320.60/x
  3. Step 3: Cross multiply
    757,325.40x = 1,134,605.70 × 616,320.60
  4. Step 4: Simplify right side
    757,325.40x = 699,280,865,787.42
  5. Step 5: Solve for x
    x = 699,280,865,787.42/757,325.40
  6. Step 6: Final answer
    x = 923,355.89

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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.