Home / 776,105.05-1,164,908.37-560,186.39

Finding the Fourth Proportional to 776,105.05, 1,164,908.37 and 560,186.39

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Solution

The fourth proportional to 776,105.05, 1,164,908.37 and 560,186.39 is: 840,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,105.05 : 1,164,908.37 = 560,186.39 : x
  2. Step 2: Convert to fraction form
    776,105.05/1,164,908.37 = 560,186.39/x
  3. Step 3: Cross multiply
    776,105.05x = 1,164,908.37 × 560,186.39
  4. Step 4: Simplify right side
    776,105.05x = 652,565,809,780.40
  5. Step 5: Solve for x
    x = 652,565,809,780.40/776,105.05
  6. Step 6: Final answer
    x = 840,821.50

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Double scale
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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.