Home / 776,592.11-1,072,027.77-522,090.92

Finding the Fourth Proportional to 776,592.11, 1,072,027.77 and 522,090.92

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Solution

The fourth proportional to 776,592.11, 1,072,027.77 and 522,090.92 is: 720,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,592.11 : 1,072,027.77 = 522,090.92 : x
  2. Step 2: Convert to fraction form
    776,592.11/1,072,027.77 = 522,090.92/x
  3. Step 3: Cross multiply
    776,592.11x = 1,072,027.77 × 522,090.92
  4. Step 4: Simplify right side
    776,592.11x = 559,695,964,704.85
  5. Step 5: Solve for x
    x = 559,695,964,704.85/776,592.11
  6. Step 6: Final answer
    x = 720,707.77

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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.