Home / 776,949.36-1,072,798.20-607,665.84

Finding the Fourth Proportional to 776,949.36, 1,072,798.20 and 607,665.84

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Solution

The fourth proportional to 776,949.36, 1,072,798.20 and 607,665.84 is: 839,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,949.36 : 1,072,798.20 = 607,665.84 : x
  2. Step 2: Convert to fraction form
    776,949.36/1,072,798.20 = 607,665.84/x
  3. Step 3: Cross multiply
    776,949.36x = 1,072,798.20 × 607,665.84
  4. Step 4: Simplify right side
    776,949.36x = 651,902,819,353.49
  5. Step 5: Solve for x
    x = 651,902,819,353.49/776,949.36
  6. Step 6: Final answer
    x = 839,054.45

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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.