Home / 926,814.90-1,279,112.31-564,451.14

Finding the Fourth Proportional to 926,814.90, 1,279,112.31 and 564,451.14

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Solution

The fourth proportional to 926,814.90, 1,279,112.31 and 564,451.14 is: 779,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,814.90 : 1,279,112.31 = 564,451.14 : x
  2. Step 2: Convert to fraction form
    926,814.90/1,279,112.31 = 564,451.14/x
  3. Step 3: Cross multiply
    926,814.90x = 1,279,112.31 × 564,451.14
  4. Step 4: Simplify right side
    926,814.90x = 721,996,401,567.53
  5. Step 5: Solve for x
    x = 721,996,401,567.53/926,814.90
  6. Step 6: Final answer
    x = 779,008.19

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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.