Home / 1,692,760.20-2,539,332.90-613,780.80

Finding the Fourth Proportional to 1,692,760.20, 2,539,332.90 and 613,780.80

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Solution

The fourth proportional to 1,692,760.20, 2,539,332.90 and 613,780.80 is: 920,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,760.20 : 2,539,332.90 = 613,780.80 : x
  2. Step 2: Convert to fraction form
    1,692,760.20/2,539,332.90 = 613,780.80/x
  3. Step 3: Cross multiply
    1,692,760.20x = 2,539,332.90 × 613,780.80
  4. Step 4: Simplify right side
    1,692,760.20x = 1,558,593,778,828.32
  5. Step 5: Solve for x
    x = 1,558,593,778,828.32/1,692,760.20
  6. Step 6: Final answer
    x = 920,741.04

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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.