Home / 1,076,740.21-1,485,889.43-611,590.83

Finding the Fourth Proportional to 1,076,740.21, 1,485,889.43 and 611,590.83

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Solution

The fourth proportional to 1,076,740.21, 1,485,889.43 and 611,590.83 is: 843,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,740.21 : 1,485,889.43 = 611,590.83 : x
  2. Step 2: Convert to fraction form
    1,076,740.21/1,485,889.43 = 611,590.83/x
  3. Step 3: Cross multiply
    1,076,740.21x = 1,485,889.43 × 611,590.83
  4. Step 4: Simplify right side
    1,076,740.21x = 908,756,342,352.48
  5. Step 5: Solve for x
    x = 908,756,342,352.48/1,076,740.21
  6. Step 6: Final answer
    x = 843,988.49

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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.