Home / 771,005.45-1,064,098.81-444,255.88

Finding the Fourth Proportional to 771,005.45, 1,064,098.81 and 444,255.88

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Solution

The fourth proportional to 771,005.45, 1,064,098.81 and 444,255.88 is: 613,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,005.45 : 1,064,098.81 = 444,255.88 : x
  2. Step 2: Convert to fraction form
    771,005.45/1,064,098.81 = 444,255.88/x
  3. Step 3: Cross multiply
    771,005.45x = 1,064,098.81 × 444,255.88
  4. Step 4: Simplify right side
    771,005.45x = 472,732,153,243.50
  5. Step 5: Solve for x
    x = 472,732,153,243.50/771,005.45
  6. Step 6: Final answer
    x = 613,137.24

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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.