Home / 1,226,598.74-1,692,504.32-682,720.58

Finding the Fourth Proportional to 1,226,598.74, 1,692,504.32 and 682,720.58

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Solution

The fourth proportional to 1,226,598.74, 1,692,504.32 and 682,720.58 is: 942,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,598.74 : 1,692,504.32 = 682,720.58 : x
  2. Step 2: Convert to fraction form
    1,226,598.74/1,692,504.32 = 682,720.58/x
  3. Step 3: Cross multiply
    1,226,598.74x = 1,692,504.32 × 682,720.58
  4. Step 4: Simplify right side
    1,226,598.74x = 1,155,507,531,002.91
  5. Step 5: Solve for x
    x = 1,155,507,531,002.91/1,226,598.74
  6. Step 6: Final answer
    x = 942,042.00

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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.