Home / 822,958.76-1,133,159.64-720,410.33

Finding the Fourth Proportional to 822,958.76, 1,133,159.64 and 720,410.33

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Solution

The fourth proportional to 822,958.76, 1,133,159.64 and 720,410.33 is: 991,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,958.76 : 1,133,159.64 = 720,410.33 : x
  2. Step 2: Convert to fraction form
    822,958.76/1,133,159.64 = 720,410.33/x
  3. Step 3: Cross multiply
    822,958.76x = 1,133,159.64 × 720,410.33
  4. Step 4: Simplify right side
    822,958.76x = 816,339,904,529.28
  5. Step 5: Solve for x
    x = 816,339,904,529.28/822,958.76
  6. Step 6: Final answer
    x = 991,957.25

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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.