Home / 1,229,896.59-1,697,259.47-678,599.66

Finding the Fourth Proportional to 1,229,896.59, 1,697,259.47 and 678,599.66

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Solution

The fourth proportional to 1,229,896.59, 1,697,259.47 and 678,599.66 is: 936,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,896.59 : 1,697,259.47 = 678,599.66 : x
  2. Step 2: Convert to fraction form
    1,229,896.59/1,697,259.47 = 678,599.66/x
  3. Step 3: Cross multiply
    1,229,896.59x = 1,697,259.47 × 678,599.66
  4. Step 4: Simplify right side
    1,229,896.59x = 1,151,759,687,394.48
  5. Step 5: Solve for x
    x = 1,151,759,687,394.48/1,229,896.59
  6. Step 6: Final answer
    x = 936,468.72

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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.