Home / 1,085,132.25-1,627,539.91-316,423.39

Finding the Fourth Proportional to 1,085,132.25, 1,627,539.91 and 316,423.39

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Solution

The fourth proportional to 1,085,132.25, 1,627,539.91 and 316,423.39 is: 474,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,132.25 : 1,627,539.91 = 316,423.39 : x
  2. Step 2: Convert to fraction form
    1,085,132.25/1,627,539.91 = 316,423.39/x
  3. Step 3: Cross multiply
    1,085,132.25x = 1,627,539.91 × 316,423.39
  4. Step 4: Simplify right side
    1,085,132.25x = 514,991,695,682.50
  5. Step 5: Solve for x
    x = 514,991,695,682.50/1,085,132.25
  6. Step 6: Final answer
    x = 474,588.88

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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.