Home / 862,354.98-1,292,551.56-524,651.28

Finding the Fourth Proportional to 862,354.98, 1,292,551.56 and 524,651.28

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Solution

The fourth proportional to 862,354.98, 1,292,551.56 and 524,651.28 is: 786,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,354.98 : 1,292,551.56 = 524,651.28 : x
  2. Step 2: Convert to fraction form
    862,354.98/1,292,551.56 = 524,651.28/x
  3. Step 3: Cross multiply
    862,354.98x = 1,292,551.56 × 524,651.28
  4. Step 4: Simplify right side
    862,354.98x = 678,138,830,420.00
  5. Step 5: Solve for x
    x = 678,138,830,420.00/862,354.98
  6. Step 6: Final answer
    x = 786,380.14

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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.