Home / 1,198,685.61-1,798,044-399,967.16

Finding the Fourth Proportional to 1,198,685.61, 1,798,044 and 399,967.16

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Solution

The fourth proportional to 1,198,685.61, 1,798,044 and 399,967.16 is: 599,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,685.61 : 1,798,044 = 399,967.16 : x
  2. Step 2: Convert to fraction form
    1,198,685.61/1,798,044 = 399,967.16/x
  3. Step 3: Cross multiply
    1,198,685.61x = 1,798,044 × 399,967.16
  4. Step 4: Simplify right side
    1,198,685.61x = 719,158,552,235.04
  5. Step 5: Solve for x
    x = 719,158,552,235.04/1,198,685.61
  6. Step 6: Final answer
    x = 599,955.94

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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.