Home / 1,656,668.56-2,485,033.95-519,405.55

Finding the Fourth Proportional to 1,656,668.56, 2,485,033.95 and 519,405.55

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Solution

The fourth proportional to 1,656,668.56, 2,485,033.95 and 519,405.55 is: 779,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,668.56 : 2,485,033.95 = 519,405.55 : x
  2. Step 2: Convert to fraction form
    1,656,668.56/2,485,033.95 = 519,405.55/x
  3. Step 3: Cross multiply
    1,656,668.56x = 2,485,033.95 × 519,405.55
  4. Step 4: Simplify right side
    1,656,668.56x = 1,290,740,425,568.42
  5. Step 5: Solve for x
    x = 1,290,740,425,568.42/1,656,668.56
  6. Step 6: Final answer
    x = 779,118.08

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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.