Home / 850,310.66-1,173,384.43-528,013.84

Finding the Fourth Proportional to 850,310.66, 1,173,384.43 and 528,013.84

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Solution

The fourth proportional to 850,310.66, 1,173,384.43 and 528,013.84 is: 728,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,310.66 : 1,173,384.43 = 528,013.84 : x
  2. Step 2: Convert to fraction form
    850,310.66/1,173,384.43 = 528,013.84/x
  3. Step 3: Cross multiply
    850,310.66x = 1,173,384.43 × 528,013.84
  4. Step 4: Simplify right side
    850,310.66x = 619,563,216,627.11
  5. Step 5: Solve for x
    x = 619,563,216,627.11/850,310.66
  6. Step 6: Final answer
    x = 728,631.60

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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.