Home / 1,328,194.38-1,990,464.18-569,127.18

Finding the Fourth Proportional to 1,328,194.38, 1,990,464.18 and 569,127.18

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Solution

The fourth proportional to 1,328,194.38, 1,990,464.18 and 569,127.18 is: 852,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,194.38 : 1,990,464.18 = 569,127.18 : x
  2. Step 2: Convert to fraction form
    1,328,194.38/1,990,464.18 = 569,127.18/x
  3. Step 3: Cross multiply
    1,328,194.38x = 1,990,464.18 × 569,127.18
  4. Step 4: Simplify right side
    1,328,194.38x = 1,132,827,265,654.41
  5. Step 5: Solve for x
    x = 1,132,827,265,654.41/1,328,194.38
  6. Step 6: Final answer
    x = 852,907.74

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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.