Home / 779,822.10-1,167,764.85-512,133.30

Finding the Fourth Proportional to 779,822.10, 1,167,764.85 and 512,133.30

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Solution

The fourth proportional to 779,822.10, 1,167,764.85 and 512,133.30 is: 766,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,822.10 : 1,167,764.85 = 512,133.30 : x
  2. Step 2: Convert to fraction form
    779,822.10/1,167,764.85 = 512,133.30/x
  3. Step 3: Cross multiply
    779,822.10x = 1,167,764.85 × 512,133.30
  4. Step 4: Simplify right side
    779,822.10x = 598,051,266,254.51
  5. Step 5: Solve for x
    x = 598,051,266,254.51/779,822.10
  6. Step 6: Final answer
    x = 766,907.31

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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.