Home / 779,852.10-1,167,809.85-512,163.30

Finding the Fourth Proportional to 779,852.10, 1,167,809.85 and 512,163.30

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Solution

The fourth proportional to 779,852.10, 1,167,809.85 and 512,163.30 is: 766,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,852.10 : 1,167,809.85 = 512,163.30 : x
  2. Step 2: Convert to fraction form
    779,852.10/1,167,809.85 = 512,163.30/x
  3. Step 3: Cross multiply
    779,852.10x = 1,167,809.85 × 512,163.30
  4. Step 4: Simplify right side
    779,852.10x = 598,109,346,548.51
  5. Step 5: Solve for x
    x = 598,109,346,548.51/779,852.10
  6. Step 6: Final answer
    x = 766,952.28

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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.